Composition, method for preparing the composition, use of a stabilizer mixture, and stabilizer mixture

Description

/ 97 COMPOSITION, METHOD FOR PREPARING THE COMPOSITION, USE OF A STABILIZER MIXTURE, AND STABILIZER MIXTURE Field of Invention

[001] The present invention relates to thermoplastic polymer compositions, preferably polyolefins, comprising mixtures of stabilizers. The thermoplastic compositions can be processed, for example, in the manufacture of molded articles, such as fibers or films, especially under conditions known to induce oxidative, thermal or light-induced degradation of thermoplastic polymers. The inventive thermoplastic polymer compositions have been found to provide effective processability with reduced degradation and / or provide a good reduction in color formation of the thermoplastic polymer. The invention also relates to a method for producing such thermoplastic compositions and to the use of stabilizer mixtures for this purpose. In addition, the invention also includes specific stabilizer mixtures. Fundamentals of the Invention

[002] Several compounds have been used as processing stabilizers when processing thermoplastic polymers with the intention of mitigating the risk of inducing oxidative, thermal or light-induced degradation during processing.

[003] The use of benzofuran-2-one type compounds as stabilizers for organic polymers is known, for example, from United States Patents Nos. 4325863; 4388244; 5175312; 5252643; 5216052; 5369159; 5488117; 5356966; 5367008; 5428162; 5428177; or 5516920.

[004] Sterically hindered amines, including in particular compounds containing 2,2,6,6-tetramethylpiperidyl groups, are known as “hindered amine” light stabilizers (HALS). Petition 870250088561, dated 09 / 30 / 2025, page 13 / 121 / 97

[005] Polyolefin fibers were stabilized with sterically hindered phenols in combination with compounds from the phosphite or organic phosphonite group and, in some cases, with the additional use of light stabilizers.

[006] United States Patent No. 6521681 reports that the use of such mixtures of stabilizers may have the disadvantageous effect of yellowing the polyolefin fibers thus produced, especially under the action of NOx gas, known in the art as gas fading. In many cases, discoloration occurs even during processing, especially in the case of melt extrusion. It is also known that compounds of the sterically hindered amine group, which may be added as light stabilizers, exhibit an antagonistic effect together with sterically hindered phenols, which negatively affects long-term thermal stability.

[007] United States Patent No. 6521681 provides and describes a mixture of stabilizers comprising at least one benzofuran-2-one type compound and at least one sterically hindered amine type compound and is reported to be particularly suitable as a stabilizer for organic materials that are sensitive to degradation induced by oxidation, heat or light. It is claimed that these stabilizer systems suppress discoloration of organic materials during processing, have excellent resistance to NOx effects (no fading by gases), and, moreover, exhibit better long-term thermal stability compared to stabilization systems that include phenolic antioxidants.

[008] PCT Application No. WO 99 / 03915 A1 describes combinations of various lactones and phosphites that provide improved protection against polymer degradation during processing. This is said to be evidenced by changes in flowability and may provide improved resistance to yellowing. The Petition 870250088561, dated 09 / 30 / 2025, p. 14 / 121 / 97 Example 2 compares trisnonylphenyl phosphite / lactone unions and nonyl-3-phenyl-3H-benzofuran-2-one and 5,7-di-t-butyl 3-phenyl-3H-benzofuran-2-one lactones, whose structures are illustrated on page 11. Example 3 compares phosphite / lactone unions with and without vitamin E. Specifically, Union No. 7 contained 75% by weight of tris(nonylphenyl)phosphite and 15% by weight of nonyl-3-phenyl-3H-benzofuran-2-one and 10% by weight of vitamin E and was used to process a polypropylene at 1000 ppm.

[009] United States Patent Application No. Brazilian patent application 2006 / 0135792 A1 describes compounds, compositions, and synthetic methods related to the antioxidant lactone 3-arylbenzo-furanones. The description shows that the compounds may be useful for preventing yellowing and deterioration of organic materials, preferably polymers, such as polyurethane foams, for example. The antioxidant lactones may be polymeric and may also be liquid or pasty in physical form at room temperature. It is further indicated that the compositions may contain one or more reactive primary OH groups in the polar chains.

[0010] PCT Application No. WO2015 / 121445 A1 and PCT Application No. WO2017 / 025431 A1 each describe compositions comprising an organic material to be stabilized and a specific group of phosphorus-containing 3-phenyl-benzofuran-2-one derivatives as a stabilizer for the organic material. This organic material is susceptible to degradation induced by oxidation, heat or light. It is stated that this may be, for example, a polymer, an oligohydroxylated compound, a wax, a fat or a mineral oil.

[0011] PCT Application No. WO2016 / 020322 A1 and PCT Application No. WO2019 / 243267 A1 each define compositions comprising an organic material to be stabilized and a specific group of 3-phenyl-benzofuran-2-one diphosphite or 3-phenyl-benzofuran-2-one diphosphate derivatives as stabilizers. This organic material is susceptible to degradation induced by Petition 870250088561, dated 09 / 30 / 2025, page 15 / 121 / 97 oxidation, heat or light. It is stated that this could be, for example, a polymer, an oligohydroxylated compound, a wax, a fat or a mineral oil.

[0012] PCT Application No. WO2019 / 010167 A1 describes polyolefin compositions comprising a polyolefin, one or more phosphorus-containing benzofuranone compounds and one or more hindered phenolic antioxidants that purportedly provide excellent protection against discoloration and enhanced thermal stability during melt processing. Example 2 compares 7 different additive mixtures for formulation with fiber-grade Ziegler-Natta polypropylene homopolymer (zn-PP). Additive mixture No. 7 contains 375 ppm of Phosl (organophosphorus stabilizer, tris(2,4-di-tert-butylphenyl) phosphite); 500 ppm of AO7 (alpha-tocopherol); 125 ppm of benzofuranone (109) (structural formula shown on page 20).

[0013] Chromanolic compounds, such as tocopherols, have been used in formulations for the stabilization of plastic materials.

[0014] United States Patent No. 4806580 describes mixtures of stabilizers for stabilizing plastics, for example, polypropylene, during processing. The stabilizer mixtures contain (a) a chromane derivative and (b) organic phosphite or phosphonite in a weight ratio of a:b of 1:5 to 1:14.

[0015] European Patent Application No. 542108 A2 discloses a mixture of stabilizers for polyethylene-containing plastics, comprising (a) a tocopherol compound and (b) a secondary antioxidant containing phosphorus or sulfur in a weight ratio of a:b of 1:1.4 to 1:5. A corresponding description is provided in the article by SF Laermer and PF Zambetti published in the Journal of Plastic Film & Sheeting, volume 8, 1992, pages 228 to 248. This article further describes a mixture of alpha tocopherol and a phosphite in a weight ratio of 1:1:4 for stabilizing polypropylene. Petition 870250088561, dated 09 / 30 / 2025, p. 16 / 121 / 97

[0016] An article by SS Young, SF Laermer and PF Zambetti published in the Journal of Plastic Film and Sheeting, volume 11, 1995, pages 126 to 142, demonstrates that alpha tocopherol formulations can replace phenol / phosphite combinations as the primary antioxidant system, or alpha tocopherol formulations can actually replace the phosphite portion to achieve better performance.

[0017] N,N-dialkyl-hydroxylamines are known to be useful processing stabilizers for polyolefins, such as polypropylene.

[0018] U.S. Patent No. 4590231 describes a composition that is stabilized against degradation, comprising (a) a saturated polyolefin or mixtures thereof; (b) an amount of stabilizer of a stabilizer or mixture of stabilizers selected from the group consisting of phenolic antioxidants, hindered amine light stabilizers, ultraviolet light absorbers, organophosphorus compounds, alkali metal salts of fatty acids and thioglycans; and (c) an amount of stabilizer of a hydroxylamine derivative, or a mixture thereof.

[0019] Chinese Patent Application Publication No. 115819842A claims an anticolorant antioxidant composition containing hindered phenyl for polymers, distinguished by including the following components: (1) primary antioxidant, (2) secondary antioxidant, (3) carbon-free base scavenging agent, (4) color blocker, (5) catalyst. Example 5 describes the provision of 100 parts of polypropylene powder, 0.5 parts of tetrakis[e—(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, 0.3 parts of tris(2,4-di-tert-butylphenyl)phosphate ester, 0.06 parts of N,N-bis(octadecyl)hydroxylamine, 0.06 parts of 5,7-di-tert-butyl-3(3,4-dimethyl)benzofuran-2(3H)-one, 0.1 parts of butane-1,4-bis(3-(4-mercaptophenyl)propionate) and 0.05 parts of tris(pentafluorophenyl)borane, Petition 870250088561, dated 09 / 30 / 2025, page 17 / 121 / 97 uniformly mixed by a high-speed mixer and then extruded by a twin screw. The extruder extrudes at a temperature of 200~240°C for each zone, and then the pelletizer is used for traction and pelletizing to obtain modified polypropylene pellets.

[0020] Japanese Patent Application Publication No. 2008230079 A addresses the problem of providing a laminate made of a non-halogenated resin with excellent resistance to weathering, heat, and discoloration. The reference defines a solution for providing a laminate made of a non-halogenated resin that maintains the outermost surface overlapped with a sheet made of non-halogenated resin containing 0.05 to 3.0 parts by weight of a light stabilizer and 0.01 to 2.0 parts by weight of an antioxidant based on 100 parts by weight of the non-halogenated resin. Table 2, sample 3 describes the use of a resin of 80 parts of olefin-type thermoplastic elastomer and 20 parts of random polypropylene.The additives include 0.07 parts of the antioxidant hydroxylamine Irgastab FS 042, 0.07 parts of the antioxidant lactone system HP-136, 0.05 parts of the optical stabilizer from the group of N-hydrogen-substituted hindered amine systems, optical stabilizer Chimassorb 944, and parts of the filler agent calcium carbonate and 0.1 parts of the lubricant agent zinc stearate.

[0021] U.S. Patent No. 5834541 relates to a polymer composition comprising (i) an olefin polymer containing an acid-neutralizing agent other than a metal salt of a saturated or unsaturated fatty acid, and (ii) a system of stabilizers distributed throughout the polymer, the stabilizer system comprising (a) a phosphite selected from the group consisting of 2,2',2''-nitrilo[triethyl-tris(3,3',5,5'-tetra-tert-butyl-1,1-diphenyl-2,2'-diyl) phosphite] and tris(2,4-di-tert-butylphenyl) phosphite; and (b) an N,N-dialkylhydroxylamine, a benzofuranone, or mixtures thereof. The patent shows that the Petition 870250088561, dated 09 / 30 / 2025, page 18 / 121 / 97 smoke generation during the processing of fibers, films and sheets can be significantly reduced by using (1) a combination of N,N-dialkylhydroxylamine and a specific phosphite stabilizer to melt stabilize a rheologically controlled olefin polymer and (2) an acid neutralizing agent other than a metal salt of a saturated or unsaturated fatty acid.

[0022] The article by S Al-Malaika et al. entitled “Stabilization of metallocene methylene-1-octene copolymers during multiple extrusions”, Polymer Degradation and Stability 93 (2008) 1619-1631, refers to the melt stabilization efficiency of antioxidants with different structures based on hindered phenols, phosphite esters, phosphonite and a lactone that was examined during multiple-pass extrusions at 265°C in three metallocene ethylene-1-octene copolymers (m-LLDPE) with different short-chain branching (SCB) extensions and a Ziegler copolymer (z-LLDPE) containing the same SCB level corresponding to one of the m-LLDPE polymers. Table 4 illustrates antioxidant mixtures used in m-LLDPE and z-LLDPE polymers during compounding. One of the antioxidant mixtures described is Irganox E201: Ultranox 626: HP 136 300 ppm: 600 ppm: 250 ppm respectively.

[0023] European Patent Application No. 323409 A2 describes stabilizing polyolefin compositions with long-chain N,N-dialkylhydroxylamines. The two alkyl groups are said to be independently alkyls of 12 to 18 carbon atoms. The hydroxylamine derived from di(hydrogenated) tallow amine is said to be particularly useful for this purpose. The polyolefin is said to be preferably a homopolymer of an alphaolefin. Saturated polyolefins include polymers derived from monoolefins, such as polyethylene, which may be crosslinked, polypropylene, polyisobutylene, polybutene-1, poly-3-methylbutene-1 and poly-4-methylpentene-1.

[0024] PCT Application No. WO00 / 12605 refers to compositions of Petition 870250088561, dated 09 / 30 / 2025, page 19 / 121 / 97 high-flow polypropylene that provides reduced malformation when extruded into fibers or films. The composition is said to comprise a high-flow polypropylene resin, an amount of N,N-dialkylhydroxylamine stabilizer and an amount of organic phosphite or phosphonite stabilizer and, optionally, other conventional additives such as antioxidants, acid acceptors, light stabilizers, ultraviolet light absorbers and the like.

[0025] U.S. Patent No. 6872764 B2 describes a polyolefin article of improved strength and / or discoloration resistance, being essentially free of phenolic antioxidants and having incorporated therein a stabilizing system sufficient to attenuate the deleterious effects of gamma irradiation. The stabilizing system comprises (a) one or more hindered amine stabilizers, (b) one or more compounds selected from the group consisting of i) hydroxylamine stabilizers, ii) nitro stabilizers, iii) amine oxide stabilizers, and iv) benzofuranone stabilizers; and optionally (c) one or more compounds selected from the group of organic phosphites and phosphonites. The article is said to be subjected to one or more doses of gamma irradiation.

[0026] European Patent Application No. 867467 A1 relates to thermoplastic resin compositions comprising a thermoplastic resin or a mixture thereof and an amount of stabilizer or a mixture of stabilizers. The stabilizer or mixture of stabilizers is selected from the group consisting of phenolic antioxidants, 3-aryl benzofuranones, hindered amine stabilizers, ultraviolet light absorbers, organophosphorus compounds, alkali metal salts of fatty acids, hydroxylamines and thiocyanergists, and an amount of stabilizer of a tertiary amine oxide. The compositions are said to exhibit stability. Petition 870250088561, dated 09 / 30 / 2025, page 20 / 121 / 97 improved against discoloration upon exposure to heating or combustion products of natural gas by the concomitant presence of an effective quantity of a tertiary amine oxide.

[0027] N,N-dialkyl-hydroxylamines are effective as primary (hydrogen donors) and secondary (peroxide scavengers) antioxidants and therefore can be used effectively in phenol-free processing stabilizer systems. Processing stabilizer systems containing N,N-dialkyl-hydroxylamines are very effective as processing stabilizers for a variety of thermoplastics, typically polyolefins. However, hydroxylamines have been found to be less effective at temperatures of at least 230°C, for example, above 250°C. This would be a disadvantage for the processing of thermoplastics, such as the processing of polypropylene fibers, where temperatures of 230°C or more, or above 250°C, can be employed, for example, temperatures up to 280 to 300°C, which can be used for fiber spinning in order to achieve a high yield.

[0028] One objective of the present invention is to provide a stabilizing system for processing thermoplastics, such as polyolefins, for example, polypropylene, which can be employed in high-temperature processing, for example, at temperatures of at least 230°C, and provide a good balance of performance properties. Another objective is to verify a stabilizing system that achieves good color stability and / or processing characteristics in the processing of thermoplastics. Furthermore, it would be desirable that such a stabilizing system be phenol-free or have a reduced phenol content. For the purposes of the present invention, cromonan is not a phenol. Summary of the Invention

[0029] It has been verified that combinations of at least two of the components selected from (i) a hydroxylamine or amine oxide; Petition 870250088561, dated 09 / 30 / 2025, page 21 / 121 / 97 (ii) specific benzofuran-2-ones, usually based on 3aryl benzofuran-2-one derivatives; and (iii) a cromonan provides effective stabilizer mixtures for processing thermoplastics, such as polyolefins, may exhibit good processing characteristics and may provide reduced degradation and / or reduced color yield of the thermoplastic polymer.

[0030] The first aspect of the present invention defines a composition comprising a) a thermoplastic polymer, preferably a polyolefin; and b) a mixture of stabilizers comprising at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or an amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol, (I) where: R3 is a substituted carbocyclic or heterocyclic aromatic ring system. R4, R5, R6, and R7 are each, independently of one another, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing Petition 870250088561, dated 09 / 30 / 2025, page 22 / 121 / 97 less one heteroatom; substituted or unsubstituted hydrocarbyloxy group, optionally containing at least one additional heteroatom; substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom;or hydrocarbilthion, optionally containing at least one additional heteroatom, wherein, when the stabilizer mixture comprises components (i) and (ii) and / or (iii), it is present in the composition in an amount less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (ii) and (iii) based on the weight of the thermoplastic polymer.

[0031] The second aspect of the present invention provides a method for preparing said composition, comprising the step of processing the thermoplastic polymer, preferably polyolefin, in the presence of a mixture of stabilizers, wherein the mixture of stabilizers is incorporated into or applied to the thermoplastic polymer before or during the processing of the thermoplastic polymer, wherein the mixture of stabilizers comprises at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol, Petition 870250088561, dated 09 / 30 / 2025, page 23 / 121 / 97 (I) where: R3 is a substituted carbocyclic or heterocyclic aromatic ring system. R4, R5, R6 and R7 are each, independently of each other, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbylox group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom;or hydrocarbilthion, optionally containing at least one additional heteroatom, wherein, when the stabilizer mixture comprises components (i) and (ii) and / or (iii), it is present in the composition in an amount less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (ii) and (iii) with; Petition 870250088561, dated 09 / 30 / 2025, page 24 / 121 / 97 based on the weight of the thermoplastic polymer.

[0032] The third aspect of the present invention provides a use of a mixture of stabilizers to improve processability and / or reduce color formation during the processing of a thermoplastic polymer, preferably a polyolefin, wherein the mixture of stabilizers comprises at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol, in which: R3 is a substituted carbocyclic or heterocyclic aromatic ring system. R4, R5, R6, and R7 are each, independently of one another, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbylox group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing... Petition 870250088561, dated 09 / 30 / 2025, page 25 / 121 / 97 minus one heteroatom; or hydrocarbilthion, optionally containing at least one additional heteroatom, wherein, when the stabilizer mixture comprises components (i) and (ii) and / or (iii), it is present in the composition in an amount less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is used in an amount less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (ii) and (iii) based on the weight of the thermoplastic polymer.

[0033] The fourth aspect of the present invention provides a mixture of stabilizers for processing thermoplastic polymers, preferably polyolefins, the composition comprising component (i) and component (iii) and optionally component (ii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol. in which: Petition 870250088561, dated 09 / 30 / 2025, page 26 / 121 / 97 R3 is a substituted carbocyclic or heterocyclic aromatic ring system. R4, R5, R6, and R7 are each, independently of one another, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbyloxy group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom; or hydrocarbylthion, optionally containing at least one additional heteroatom. Detailed Description of the Invention

[0034] According to the various aspects of the present invention, the mixture of stabilizers can be: I) a mixture of (i) a hydroxylamine or amine oxide and (ii) a benzofuran-2-one of formula (I); II) a mixture of (i) a hydroxylamine or amine oxide and (iii) a cromonanol; III) a mixture of (ii) a benzofuran-2-one of formula (I) and (iii) a cromonol; or IV) a mixture of (i) a hydroxylamine or amine oxide and (ii) a benzofuran-2-one of formula (I) and (iii) a cromonol.

[0035] Component (i) of the stabilizer mixture shall suitably be a substituted hydroxylamine, in which one or preferably two substituted or unsubstituted hydrocarbyl groups are attached to the nitrogen of the hydroxylamine moiety. In a desirable embodiment, component (i) is a hydroxylamine having formula (II): Petition 870250088561, dated 09 / 30 / 2025, p. 27 / 121 / 97 oh riR2 (II) wherein Ri and R2 are each independently selected from substituted alkyl, cycloalkyl, aryl, aralkyl, alkaryl groups. In a desirable embodiment, Ri and R2 are each independently selected from each other C1-C30 alkyl, C7-C9 phenylalkyl, unsubstituted or substituted phenyl C1-C4 alkyl, unsubstituted or substituted C5-C8 cycloalkyl C1-C4 alkyl, C1-C18 alkoxy. In a preferred embodiment, Ri and R2 are each independently selected from C8-C30 alkyl groups, preferably C12-C30 alkyl groups, more preferably C16-C20 alkyl groups. Even more preferably, Ri and R2 are independently alkyl groups of 16 to 18 carbon atoms or mixtures thereof. Hydroxylamines of particular interest include N,N-dioctadecyl hydroxylamine and N,N-dihexadecyl hydroxylamine or a mixture thereof. In a particularly preferred embodiment, the hydroxylamine is bis(alkyl) hydroxyamines from hydrogenated palm oil.In another particularly preferred embodiment, the hydroxylamine is oxidized bis(hydrogenated tallow alkyl)amines.

[0036] In an alternative embodiment, component (i) of the stabilizer mixture may be a substituted amine oxide in which one, two, or preferably three substituted or unsubstituted hydrocarbyl groups are attached to the nitrogen of the amine oxide. Desirably, the amine oxide is a tertiary amine oxide. In a desirable embodiment, component (i) is an amine oxide of formula (III): Petition 870250088561, dated 09 / 30 / 2025, p. 28 / 121 / 97 Rs r9— n+--o-(III) R9. wherein Rs, R9 and R9' are each independently selected from alkyl, cycloalkyl, aryl, aralkyl, alkaryl groups that may be substituted. In a desirable embodiment, Rs and R9 are each independently of each other C6-C36 residues that may optionally contain at least one fraction among -O-, -S-, -SO-, -CO2-, -CO- or -CON-; and where R9' is a C1-C36 residue that may optionally contain at least one fraction among -O-, -S-, -SO-, -CO2-, -CO- or -CON-.

[0037] In a preferred embodiment, Rs and R9 are each independently selected from Cs-C30 alkyl groups, preferably C12-C30 alkyl groups, more preferably C12-C24 alkyl groups, and R9' is a methyl group. Even more preferably, Rs and R9 are each independently C14-C24 alkyl groups and R9' is a methyl group.

[0038] Suitable amine oxides are tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(cocoalkyl)methylamine oxide, tri(cocoalkyl)amine oxide, di(tallowalkyl)methylamine oxide, tri(tallowalkyl)amine oxide, tri(C14C24)amine oxide, di(C14-C24alkyl)methylamine oxide and mixtures containing any of the above items.Suitable amine oxides are commercially available, for example, the stabilizer Genox™ EP, available from SI Group, which has the chemical name amines, bis(alkyl hydrogenated rapeseed oil)methyl, N-oxides.

[0039] It is known that amine oxides undergo pyrolytic elimination at elevated temperatures, for example, from 150°C to 200°C. Under these conditions, amine oxides can eliminate a hydroxylamine and result in Petition 870250088561, dated 09 / 30 / 2025, page 29 / 121 / 97 in an alkene. Therefore, there is a relationship between amine oxides and hydroxylamine, since, under the high conditions of thermoplastic polymer processing, it is possible that such amine oxides eliminate hydroxylamine in situ.

[0040] In a preferred embodiment, component (ii) of the stabilizer mixture is a benzofuran-2-one of formula (IV): (IV) in which R4, R5, R6 and R7 are each, independently of each other, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbylox group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom; or hydrocarbylthion, optionally containing at least one additional heteroatom, and preferably R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C8 alkyl; R10, Rn, R12, R13 and R14 are, each independently of each other, hydrogen, hydroxyl, C1-C12 alkyl, -OR15, -NR34R35 or a substituent bearing one or repeating alkylene oxide units, wherein at least one of R10, Rn, R12, R13 and R14 is not hydrogen and wherein no more than one of R10, R11, R12, R13 and R14 is -OR15 or -NR34R35, where R15 is a formula group (V) or a group of Petition 870250088561, dated 09 / 30 / 2025, p. 30 / 121 / 97 formula (VA) or a formula group (VI) or a formula group (VI-A), R34 is a formula group (VI-A), R35 is hydrogen or C1-Cs alkyl, The (V)

[0041] y Rl7 Rl8 A comprises an alkylene group. C2-C20 (VA) (VI) or a divalent oligomeric oxyalkylene radical, Z comprises a C2-C20 alkyl group or a divalent oligomeric ester radical. G is a terminal group and is selected from the group consisting of hydrogen, C1-C10 alkyl, alkylcarbonyl, and arylcarbonyl. R16 is a substituted or unsubstituted C1-C12 alkyl group; a substituted or unsubstituted C4-C8 cycloalkyl group; a substituted or unsubstituted C5-C6 aryl group, preferably a substituted or unsubstituted phenyl group, preferably R16 is a C1-C12 alkyl or a substituted phenyl group, more preferably R16 is a C1-C4 alkyl group or a substituted phenyl group carrying as substituents a hydroxyl group and one or two C1-C4 alkyl groups; Y represents oxygen or a covalent bond; when Y is oxygen, R17 and R18 are each, independently, a radical of Petition 870250088561, dated 09 / 30 / 2025, p. 31 / 121 / 97 formula (VI-A): (VI-A) each R19 group or groups is / are, independently of each other, C1-Cs alkyl; m is an integer from 0 to 4; R4', R5', R6' and R7', each independently has the same meanings as R4, R5, R6 and R7; or R17 and R18 are each, independently of each other, C6-C10 aryl, which is unsubstituted or substituted with C1-Cs alkyl, C1-Cs alkoxy, halogen or a phenyl; C1-C18 alkyl; C3-C16 cycloalkyl; C7-C13 aralkyl; C2-C18 alkenyl; C2-C30 alkyl, which is interrupted by one or more oxygen atoms; or C2-C16 alkyl, which is interrupted by a sulfur atom; or R17 together with R18 form one of the structures of formulas (VI-B), (VI-C) or (VI-D): (VI-B) Petition 870250088561, dated 09 / 30 / 2025, p. 32 / 121 / 97 (VI-C) (VI-D) Ra1, Ra2, Ra3 and Ra4sion, independently of each other, hydrogen or C1-Cs alkyl; Rb1, Rb2, Rb3, Rb4, Rb5, and Rb6 are, independently of each other, hydrogen or C1-C8 alkyl, and Rc1, Rc2, Rc3, and Rc4 are, independently of each other, hydrogen or C1-C8 alkyl, when Y is a covalent bond. R17 is formula (VI-A), or R17 is a C6-C10 aryl group that is unsubstituted or substituted with a C1-Cs alkyl group, a C1-Cs alkoxy group, a halogen, or a phenyl group; a C1-C18 alkyl group; a C3-C16 cycloalkyl group; a C7-C13 aralkyl group; a C2-C18 alkenyl group; a C2-C30 alkyl group that is interrupted by one or more oxygen atoms; or a C2-C16 alkyl group that is interrupted by a sulfur atom. R18 is a C6-C10 aryl group that is either unsubstituted or substituted with C1-Cs alkyl, C1-Cs alkoxy, halogen, or a phenyl or halogen group.

[0042] In one embodiment, the benzofuran-2-one of formula IV, R4, R5, R6 and R7 are each, independently of each other, hydrogen, chlorine, hydroxyl, C1-C25 alkyl, C7-C9 phenyl alkyl, unsubstituted or substituted phenyl with C1-C4 alkyl, unsubstituted or substituted C5-C8 cycloalkyl with C1-C4 alkyl; C1-C18 alkoxy, C1-C18 alkylthio, C1-C4 amino alkyl, di-(C1-C4 alkyl)amino, C1-C25 alkanoyloxy, C1-C25 alkanoylamino, Petition 870250088561, dated 09 / 30 / 2025, p. 33 / 121 / 97 C3-C25 alkenoyloxy, C3-C25 alkanoyloxy that is interrupted by oxygen, sulfur or >N-R25; R4, R5, R6, and R7 can also be C6-C9 cycloalkyl carbonyloxy, benzoyloxy, or benzoyloxy substituted with C1-C12 alkyl; or the pair of substituents R4 and R5, or R5 and R6, or R6 and R7, together with the linking carbon atoms, forms a benzene ring; or, if R5 and R7 are hydrogen, R6 is additionally a radical formula (IV-A) (IV-A) in which R3' is an unsubstituted phenylene or naphthalene substituted with C1-C4 alkyl or hydroxyl; or it is -R29-X-R30-, R4 is hydrogen, chlorine, hydroxyl, C1-C25 alkyl, C6-C10 aryl, phenyl, unsubstituted or substituted phenyl with C1-C4 alkyl, unsubstituted or substituted C5-C8 cycloalkyl with C1-C4 alkyl; C1-C18 alkoxy, C1-C18 alkylthio, C1-C4 alkylamine, di-(C1-C4 alkyl)amino, C1-C25 alkanoyloxy, C1-C25 alkanoylamino, C3-C25 alkenoyloxy, C3-C25 alkanoyloxy that is interrupted by oxygen, sulfur or >NR31; C6-C9 cycloalkylcarbonyloxy, benzoyloxy or benzoyloxy substituted with C1-C12 alkyl, R10, R11, R12, R13, and R14 have the same definitions as above. R25 is hydrogen or C1-C8 alkyl. R27 and R28 are each, independently of each other, hydrogen, CF3, C1-C12 alkyl or phenyl, or R27 and R28 together with the Petition 870250088561, dated 09 / 30 / 2025, p. 34 / 121 / 97 carbon atom of the linkage, form a C5-C8 cycloalkyl ring that is unsubstituted or substituted with 1 to 3 C1-C4 alkyl groups, R29 and R30 are each, independently of each other, substituted phenylene or naphthalene, or substituted with C1-C4 alkyl. R31 is hydrogen or C1-C8 alkyl, R32 is hydrogen or C1-C8 alkyl, X is a direct bond, oxygen, sulfur, or NR32.

[0043] The C1-C8 alkyl is linear or branched and, for example, methyl, ethyl, n-propyl, 1-methyl-ethyl, n-butyl, 1-methyl-propyl, 2-methyl-propyl, 1,1-dimethyl-ethyl, n-pentyl, 1-methyl-butyl, 3-methyl-butyl, n-hexyl, 1-methylpentyl, 2-methyl-pentyl, 4-methyl-pentyl, 2-ethyl-butyl, n-heptyl, 1-methyl-hexyl, n-octyl, 1-methyl-heptyl, 2-ethyl-hexyl, 5,5-dimethyl-hexyl or 1,1,3,3-tetramethylbutyl. The preferred form is C1-C4 alkyl or C8 alkyl, in particular methyl, ethyl, 1-methylethyl, 1-methylpropyl, 1,1-dimethylethyl or 1,1,3,3-tetramethylbutyl. The preferred form is C1-C4 alkyl, in particular methyl, ethyl, 1-methylethyl, 1-methylpropyl, 1,1-dimethylethyl and most particularly methyl, 1-methylpropyl or 1,1-dimethylethyl.

[0044] The C1-C12 alkyl is linear or branched and, for example, methyl, ethyl, n-propyl, 1-methylethyl, n-butyl, 1-methylpropyl, 2-methylpropyl, 1,1dimethylethyl, n-pentyl, 1-methylbutyl, 3-methylbutyl, n-hexila, 1-methylpentyl, 2-methylpentyl, 4-methylpentyl, 2-ethylbutyl, n-heptyl, 1-methylheptyl, n-octyla, 1-methylheptyl, 2-ethylheptyl, 5,5-dimethylheptyl, 1,1,3,3-tetramethylbutyl, n-nonyla, 2-ethylheptyl, n-decyl, undecyl, n-twelve, The C6-C10 aryl, which is neither replaced nor replaced by C1-C8 alkoxy, C1-C8 alkoxy, halogen or a phenyl, is for example phenyl, 2methyl-phenyl, 3-methyl-phenyl, 4-methyl-phenyl, 2,4-dimethyl-phenyl, 3,5-dimethylphenyl, 4-(1,1-dimethylethyl)-phenyl, 4-(1,1,3,3-tetramethylpentyl)-phenyl, naphthalene-1yl, naphthalene-2-yl, 6-methyl-naphthalene-2-yl, 4-phenylphenyl, 2-methoxyphenyl, 3-methoxiphenyl, 4-methoxyphenyl, 2-ethoxyphenyl, 3-ethoxy-phenyl, 3-(n-propoxy)-phenyl, 4-(1,1 Petition 870250088561, dated 09 / 30 / 2025, p. 35 / 121 / 97 dimethylethoxy)-phenyl, 2-chlorophenyl, 3-chlorophenyl, 4-chlorophenyl, 2-chloro-4-methylphenyl. C6-C10 aryl is preferred, which is unsubstituted or substituted with C1-C8 alkyl or C1-C8 alkoxy. Especially preferred is phenyl, which is unsubstituted or substituted with C1-C8 alkyl. Phenyl is particularly preferred.

[0045] The C1-C8 alkoxy is linear or branched and, for example, methoxy, ethoxy, n-propoxy, 1-methyl-ethoxy, n-butoxy, 1-methyl-propoxy, 1,1-dimethyl-ethoxy, n-pentoxy, 2-methyl-pentoxy, 2-ethyl-butoxy, 1-methyl-hexoxy, n-octoxy, 1-methylheptoxy, 2-ethyl-hexoxy, 1,1,3,3-tetramethyl-butoxy. The preferred type is C1-C4 alkoxy and in particular methoxy.

[0046] The halogen is, for example, a fluorine atom (= fluorine), a chlorine atom (= chlorine), a bromine atom (= bromine) or an iodine atom (= iodine). A chlorine atom or a fluorine atom, in particular a fluorine atom, is preferred.

[0047] The alkyl C1-C18 is linear or branched and, for example, methyl, ethyl, n-propyl, 1-methyl-ethyl, n-butyl, 1-methyl-propyl, 2-methyl-propyl, 1,1dimethyl-ethyl, n-pentyl, 1-methyl-butyl, butyl-methyl, n-hexyl, 1-methylpentyl, 2-methyl-pentyl, 4-methyl-pentyl, 2-ethyl-butyl, n-heptyl, 1-methyl-hexyl, n-octyl, 1-methyl-heptyl, 2-ethyl-hexyl, 5,5-dimethyl-hexyl, 1,1,1,3-butyl, 3-butyl n-nonyl, 2-ethyl-heptyl, n-decyl, undecyl, n-dodecyl, tridecyl, tetradecyl, pentadecyl, n-hexadecyl or n-octadecyl. The preferred is C1-C18 alkyl and in particular C1-C12 alkyl.

[0048] C3-C16 cycloalkyl is unsubstituted or substituted with C1-C4 alkyl and is, for example, cyclobutyl, cyclopentyl, 3,4-dimethylcyclopentyl, cyclohexyl, 4-methylcyclohexyl, 4-(1-methylethyl)cyclohexyl, 4-(1,1-dimethylethyl)cyclohexyl, 3,5-dimethylcyclohexyl, 5-methyl-2-(1-methylethyl)cyclohexyl, cycloheptyl, cyclooctyl or cyclododecyl. C5-C7 cycloalkyl is preferred, and in particular cyclohexyl.

[0049] C7-C13 aralkyl is, for example, benzyl, 4-methyl-benzyl, 2 Petition 870250088561, dated 09 / 30 / 2025, p. 36 / 121 / 97 phenylethyl, 3,5-dimethylbenzyl, 1-phenyl-1,1-dimethylmethyl, 3-phenylpropyl, 3-phenyl-2-methylpropyl, 3,5-di-tert-butylbenzyl or 4-phenylphenylmethyl. Benzyl is preferred.

[0050] C2-C18 alkenyl is linear or branched and, for example, vinyl, allyl, Z- or E-but-2-ene-yl, Z- or E-but-3-ene-yl, Z- or E-pent-2-ene-yl, pent-4-ene-yl, Z- or E-2-methyl-but-2-ene-yl, Z- or E-3-methyl-but-3-ene-yl, Zou E-hex-1-ene-yl, Z- or E-hexadec-9-ene-yl or Z- or E-octadec-9-ene-yl, (9Z, 12Z)-octadeca-9,12-diene-yl or (9Z,12Z,15Z)-octadeca-9,12,15-triene-yl. The favorite is allila.

[0051] The C2-C30 alkyl, which is interrupted by one or more oxygen atoms, is linear or branched and, for example, methoxy-methyl, 2-methoxyethyl, 2-ethoxy-ethyl, 2-(2-methoxy-ethoxy)-ethyl, 2-n-butoxy-ethyl, 2-[2-(2-methoxyethoxy)-ethoxy]-ethyl, 2-[2- [2-(2-methoxy-ethoxy)-ethoxy]-ethoxy]-ethyl, 2-(2-methoxy-1-methyl-ethoxy)-1-methyl-ethyl, 3-(n-propoxy)-propyl, 2-[2-[2-(2-n-butoxy-ethoxy)ethoxy]-ethoxy]-ethyl, 2-[2-(2-n-butoxy-2-methyl-ethoxy)-2-methyl-ethoxy]-2-methyl-ethyl or 2-[(2-n-lauryl)-ethoxy]-ethyl. 2-methoxy-ethyl or 2-ethoxy-ethyl is preferred.

[0052] The C2-C16 alkyl group, which is interrupted by a sulfur atom, is linear or branched and, for example, 2-(methyl-sulfanyl)-ethyl, 3-thiaundecyl or 3-thiapentadecyl.

[0053] In a suitable embodiment, the benzofuran-2-one (IV) formula, R4 is hydrogen or C1-C8 alkyl, preferably C1-C4 alkyl, more preferably tertiary butyl, R5 and R7 are both hydrogen. R6 is the radical of formula (IV-A), R10, R11, R12, R13 and R14 are each independently hydrogen or C1-C4 alkyl, preferably hydrogen or C1-C4 alkyl, more preferably methyl, wherein at least one of R10, R11, R12, R13 and R14 is C1-C4 alkyl, preferably one or two of R10, R11, Petition 870250088561, dated 09 / 30 / 2025, p. 37 / 121 / 97 R12, R13 and R14 being C1-C4 alkyl, more preferably methyl, R27 and R28, together with the linking carbon atom, form a C6 cycloalkyl ring, preferably a cyclohexyl ring. R3' is a substituted phenyl group of formula (IV-B) I (R3s)n (IV-B) where R33 is a C1-C8 alkyl group, preferably a C1-C4 alkyl group, more preferably methyl, n is an integer from 1 to 5, preferably 1 or 2, more preferably 2, R4 is a C1-Cs alkyl group, preferably a C1-C4 alkyl group, more preferably a tertiary butyl group.

[0054] In another embodiment, the formula benzofuran-2-one (IV), R4, R5, R6, and R7 are each independently of each other hydrogen or C1-Cs alkyl groups; R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen, hydroxyl, C1-C12 alkyl or -NR34R35, wherein at least one of R10, R11, R12, R13 and R14 is not hydrogen and wherein no more than one of R10, R11, R12, R13 and R14 is NR34R35, wherein R34 is a group of formula (VI-A), R35 is hydrogen or a C1-C8 alkyl, each group R19 or groups is / are, independently of each other, C1-C8 alkyl; m is an integer from 0 to 4; R4', R5', R6' and R7' each have, independently, the same meanings as R4, R5, R6 and R7. Petition 870250088561, dated 09 / 30 / 2025, page 38 / 121 / 97

[0055] Preferably in the benzofuran-2-one embodiment of formula (IV), R4, R5, R6, R7, R4', R5·, Ró· and R7' are each independently of each other, hydrogen or C1-C4 alkyl, preferably hydrogen or tertiary butyl, more preferably R4, R6, R5' and R7' are tertiary butyl and R5, R7, R4' and Ró· are hydrogen; One of R10, R11, R12, R13 and R14 is -NR34R35 and the remainder of R10, R11, R12, R13 and R14 are hydrogen or C1-C4 alkyl, preferably R12 is -NR34R35 and R10, or R11, R13 and R14 are hydrogen; R34 is a formula group (VI-A), R35 is hydrogen or a C1-C4 alkyl, preferably methyl, m is 0, preferably the phenyl linkages of the radical of formula (IV-A) are in the para position.

[0056] In a further embodiment, the benzofuran-2-one of formula (IV), R4, R5, R6 and R7 are each independent of the other hydrogen or Ci-Cs alkyl; R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen, hydroxyl, C1-C12 alkyl or -OR15, wherein at least one of R10, R11, R12, R13 and R14 is not hydrogen and wherein no more than one of R10, R11, R12, R13 and R14 is -OR15, wherein R15 is a group of formula (VI-A), each group R19 or groups is / are, independently of each other, C1-Cs alkyl; m is an integer from 0 to 4; R4', R5', Ró· and R7', each independently has the same meanings as R4, R5, R6 and R7; Preferably in the benzofuran-2-one embodiment of formula (IV), R4, R5, R6, R7, R4·, R5·, R6· and R7· are each, independently of each other, hydrogen or C1-C4 alkyl, preferably Petition 870250088561, dated 09 / 30 / 2025, p. 39 / 121 / 97 hydrogen or tertiary butyl, more preferably R4, R5', R5' and R7' are tertiary butyl and R5, R7, R4' and R5' are hydrogen; One of R10, R11, R12, R13 and R14 is -OR15 and the remainder of R10, R11, R12, R13 and R14 are hydrogen or C1-C4 alkyl, preferably R12 is -OR15 and R10, or R11, R13 and R14 are hydrogen; R15 is a group of formula (VI-A), m is 0, preferably the phenyl linkages of the radical of formula (IV-A) are in the para position.

[0057] In a suitable embodiment of the benzofuran-2-one (IV) formula, R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C8 alkyl, preferably hydrogen or C1-C4 alkyl, at least one of R10, R11, R12, R13 and R14 is a C1-C8 alkyl and the remainder of R10, R11, R12, R13 and R14 is / are hydrogen, preferably two of R10, R11, R12, R13 and R14 are C1-C4 alkyl and the remainder of R10, R11, R12, R13 and R14 is / are hydrogen.

[0058] It is suitable in this embodiment of benzofuran-2-one of formula (IV), which R4 and R6 are C1-C4 alkyl groups, preferably tertiary butyl groups, and R5 and R7 are hydrogen groups. R11 and R12 are C1-C4 alkyl, preferably methyl, and R10, R13 and R14 are hydrogen, or alternatively R10 and R11 are C1-C4 alkyl, preferably methyl, and R12, R13 and R14 are hydrogen.

[0059] Suitable examples of this form are represented by benzofuran-2-one with structural formula (IV-S4) and structural formula (IV-S5). Petition 870250088561, dated 09 / 30 / 2025, page 40 / 121 / 97

[0060] (IV-S4) ch3ch3 The formula (IV-S4) corresponds to 5,7-di-tert-butyl-3-(3,4dimethylphenyl)-3H-benzofuran-2-one and the formula (IV-S5) corresponds to 5,7-ditert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one.

[0061] In a suitable embodiment, a mixture of compounds related to formula (IV-S4) and formula (IV-S5) is employed in the present invention. It is more preferable that the isomer corresponding to formula (IV-S4) be used as the main component of the mixture. Therefore, it is desirable that the ratio of the compound of formula (IV-S4) to the compound of formula (IV-S5) be from 51:49 to 99:1, suitably from 60:40 to 99:1, more suitably from 70:30 to 99:1, preferably from 80:20 to 99:1 and from 85:15 to 95:5. Petition 870250088561, dated 09 / 30 / 2025, p. 41 / 121 / 97

[0062] In a particularly suitable embodiment of the benzofuran2-one (IV) formula, R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1-C5 alkyl, suitably hydrogen or C1-C4 alkyl, wherein at least one of R4, R5, R6 and R7 is not hydrogen. R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1Cs alkyl, suitably hydrogen or C1-C4 alkyl or -OR15, and wherein one of R10, R11, R12, R13 and R14 is -OR15 and R15 is a radical of formula (V) or a radical of formula (VI), and at least one of R10, R11, R12, R13 and R14 is a C1-C12 alkyl, preferably C1-Cs alkyl, suitably C1-C4 alkyl, R16 is a substituted C1-C7 alkyl or phenyl group. Y is oxygen, R17 together with form structure R18 represented by formula (VI-C), Rb1, Rb2, Rb3, Rb4, Rb5 and Rb6 are, independently of each other, hydrogen or C1-C5 alkyl, preferably Rb1, Rb2, Rb3 and Rb4 are C1-C4 alkyl and Rb5 and Rb6 are hydrogen, methyl or ethyl.

[0063] In a particularly preferred embodiment of benzofuran2-one of formula (IV), R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1-C5 alkyl, suitably hydrogen or C1-C4 alkyl, wherein at least one of R4, R5, R6 and R7 is not hydrogen. R10, R11, R12, R13 and R14 are each, independently, one of Petition 870250088561, dated 09 / 30 / 2025, page 42 / 121 / 97 other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1-C8 alkyl, suitably hydrogen or C1-C4 alkyl, -OR15, wherein one of R10, R11, R12, R13 and R14 is -OR15 and R15 is a radical of formula (V), and at least one of R10, R11, R12, R13 and R14 is a C1-C12 alkyl, preferably C1-C8 alkyl, suitably C1-C4 alkyl, R16 is a C1-C7 alkyl group, preferably methyl, or R16 is a phenyl group with at least one C1-C4 alkyl group and at least one hydroxyl group.

[0064] In a further embodiment of benzofuran-2-one of formula (IV), R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1-C8 alkyl, wherein at least one of R4, R5, R6 and R7 is not hydrogen. R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen or C1-C12 alkyl, preferably hydrogen or C1-C8 alkyl, or -OR15, wherein one of R10, R11, R12, R13 and R14 is -OR15 and R15 is a radical of formula (V), and at least one of R10, R11, R12, R13 and R14 is a C1-C12 alkyl, preferably C1-C8 alkyl, R16 is a C1-C7 alkyl group, preferably methyl.

[0065] Preferably in this embodiment of benzofuran-2-one of formula (IV), R4 and R11 are each, independently of each other, hydrogen or C1-C8 alkyl, preferably hydrogen. R5, R7, R12, and R14 are hydrogen. R6 and R13 are each, independently of each other, C1C12 alkyl groups. R10 is -OR15 and R15 is a radical of formula (V), R16 is C1-C7 alkyl, preferably methyl.

[0066] A particularly suitable compound of this type of Petition 870250088561, dated 09 / 30 / 2025, p. 43 / 121 / 97 benzofuranone of formula (IV) is represented by the formula structure (IVS6) (IV-S6)

[0067] The formula (IV-S6) corresponds to 2(3H)-Benzofuranone, 3-[2 (acetyloxy)-5-( 1,1,3,3-tetramethylbutyl)phenyl]-5-( 1,1,3,3-tetramethylbutyl)

[0068] In a particularly desirable additional embodiment of the benzofuran-2-one (IV) formula, R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C4 alkyl, preferably hydrogen or C1-C4 alkyl. R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen or C1-Cs alkyl, preferably hydrogen or C1-C4 alkyl, or -OR15, wherein one of R10, R11, R12, R13 and R14 is -OR15 and R15 is a radical of formula (VI), wherein at least one of R10, R11, R12, R13 and R14 is a C1-Cs alkyl, preferably a C1-C4 alkyl, Y is oxygen, R17 together with form structure R18 represented by formula (VI-C), Rb1, Rb2, Rb3, Rb4, Rb5 and Rb6 are, independently of each other, hydrogen or C1-C5 alkyl, preferably Rb1, Rb2, Rb3 and Rb4 are Petition 870250088561, dated 09 / 30 / 2025, p. 44 / 121 / 97 alkyl C1-C4 and Rb5e Rb6 are hydrogen, methyl or ethyl.

[0069] In a more desirable form of this additional embodiment of benzofuran-2-one of formula (IV), R4 and R6 are each, independently of each other, a C1-C4 alkyl group, preferably both being tertiary butyl groups. R5 and R7 are hydrogen. R10 and R14 are hydrogen. R11 and R13 are each, independently of each other, C1C4 alkyl groups, preferably both being methyl. R12 is -OR15 and R15 is a radical of formula (VI), Y is oxygen, R17 together with form structure R18 represented by formula (VI-C), Rb1, Rb2, Rb3 and Rb4 are tertiary butyl compounds. Rb5 is methyl or ethyl, preferably methyl, Rb6 is hydrogen.

[0070] A particularly desirable compound of this embodiment of benzofuranone of formula (IV) is represented by the formula structure (IVS7) h3c (IV-S7)

[0071] The formula (IV-S7) corresponds to 2(3H)-Benzofuranone, 5,7 bis(1,1-dimethylethyl)-3-[3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12 Petition 870250088561, dated 09 / 30 / 2025, p. 45 / 121 / 97 methyl-12H-dibenzo[d,g][1,3,2]dioxafosfocin-6-yl]oxy]phenyl].

[0072] In another suitable embodiment of benzofuran-2-one of formula (IV), R4, R5, R6 and R7 are each, independently of each other, hydrogen or C1-C4 alkyl, preferably hydrogen or C1-C4 alkyl. R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen or C1-Cs alkyl, preferably hydrogen or C1-C4 alkyl, or -OR15, wherein one of R10, R11, R12, R13 and R14 is -OR15 and R15 is a radical of formula (V), and at least one of R10, R11, R12, R13 and R14 is a C1-Cs alkyl, preferably C1-C4 alkyl, R16 is a phenyl group with at least one C1-C4 alkyl group and at least one hydroxyl group.

[0073] In the most suitable form of this benzofuran-2-one embodiment of formula (IV), R6 is a C1-C4 alkyl group, most desirably a tertiary butyl group. R4, R5, and R7 are hydrogen. R11, R12, and R14 are hydrogen. R13 is a C1-C4 alkyl, more desirably a tertiary butyl, R10 is -OR15 and R15 is a radical of formula (V), R16 is a phenyl group carrying C1-C4 alkyl, most desirably tertiary butyl, at positions 3 and 5 and a hydroxyl group at position 4.

[0074] A particularly desirable compound of this benzofuran-2-one embodiment of formula (IV) is represented by the formula structure (IV-S8). Petition 870250088561, dated 09 / 30 / 2025, p. 46 / 121 35 / 97

[0075] The formula (IV-S8) corresponds to [4-tert-butyl-2-(5-tert-butyl2-oxo-3H-1-benzofuran-3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate.

[0076] In another embodiment of benzofuran-2-one of formula (IV), R4, Rs, R6 and R7 are each, independently of each other, hydrogen or C1-C5 alkyl, preferably hydrogen or C1-C4 alkyl. Rio, R11, R12, R13 and R14 are each independently of each other hydrogen or C1-C5 alkyl, preferably hydrogen or C1-C4 alkyl, wherein one of Rio, Rn, R12, R13 and R14 is -OR15 and wherein R15 is a formula group (VA), wherein A comprises a C2-C20 alkylene group or a divalent oligomeric oxyalkylene radical, Z comprises a C2-C20 alkyl group or a divalent oligomeric ester radical. G is a terminal group and is selected from the group consisting of hydrogen, C1-C10 alkyl, alkylcarbonyl, and arylcarbonyl. In a more specific embodiment of this embodiment, R4 and R6 are C1-C4 alkyl, preferably tertiary butyl, and Rs and R7 are hydrogen. Furthermore, R11, R13, and R14 are all hydrogen, and R12 is -OR15, wherein R15 is a group of formula (VA), in which A, Z, and G are defined above, and more preferably A comprises a divalent oxyalkylene radical, comprising between 1 and 50, preferably between 1 and 20, units of Petition 870250088561, dated 09 / 30 / 2025, p. 47 / 121 / 97 repeating oxyalkylene wherein each oxyalkylene unit consists of between 2 and 4 carbon atoms, most preferably Z which is optionally present and being a divalent ester radical, comprising between 0 and 50, preferably between 0 and 20, repeating ester units wherein each ester unit consists of between 2 and 8, preferably between 2 and 6, carbon atoms, most preferably G being hydrogen or a C1-C10 alkyl group.

[0077] An example of this benzofuran-2-one of formula (IV) is illustrated in Formula (IV-S9) h3c ,ch3ch3h3c h3c— h3c (IV-S9) where s is an integer between 1 and 20, et is an integer between 0 and 20, and where s+t is equal to or greater than 3.

[0078] In a preferred embodiment, component (iii) of the stabilizer mixture is a cromonan of formula (VII): Petition 870250088561, dated 09 / 30 / 2025, p. 48 / 121 / 97 (VII) in which R20 is selected from hydrogen, or an aliphatic radical having 1 to 6 carbon atoms; R21 is an organic radical having 1 to 30 carbon atoms; R22, R23, and R24 are selected independently from either hydrogen or C1-C4 alkyl; and R36 is hydrogen or a carbonyl radical, preferably acetyl.

[0079] In one embodiment, the aliphatic radical having 1 to 6 carbon atoms referred to for R201 in the compound of formula (VII) may have 1, 2, 3, 4, 5 or 6 carbon atoms, for example, 1 to 4, 1 to 3, 1 to 2 carbon atoms. In another embodiment, the aliphatic radical having 1 to 6 carbon atoms referred to for R20 may be selected from alkyl, wherein the above alkyl may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the above alkyl may optionally be substituted with (CO)-O-.

[0080] In the compound of formula (VII), R20 may be selected from hydrogen or C1-C6 alkyl, wherein the above C1-C6 alkyl may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the above alkyl may optionally be substituted with -(CO)-O-. Petition 870250088561, dated 09 / 30 / 2025, p. 49 / 121 / 97

[0081] In the compound of formula (VII), R20 may be selected from hydrogen or C1-C4 alkyl (for example, methyl, ethyl, propyl or butyl), wherein the above C1-C4 alkyl may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the above alkyl may optionally be substituted with -(CO)-O-.

[0082] Examples of suitable C1-C6 alkyl, which encompasses C1-C4 alkyl, include methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropyl, 2-methylpropyl, 1,1-dimethylethyl, pentyl, 1-methylbutyl, 2-methylbutyl, 3methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, hexyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 1-methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 1,3-dimethylbutyl, 2,2-dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1,1,2-trimethylpropyl, 1,2,2-trimethylpropyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl, ethenyl, 1-propenyl, 2-propenyl (allyl), 1-methylethenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-1-propenyl, 2-methyl-1-propenyl, 1-methyl-2-propenyl, 2-methyl-2-propenyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl are all isomers.

[0083] In one embodiment, the organic radical having 1 to 30 carbon atoms mentioned for R2 in the compound of formula (I) may have 2 to 30 (e.g., 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, and 30), 6 to 30, 8 to 30, 8 to 22, 10 to 22 carbon atoms. In one embodiment, R2 is a hydrocarbyl. In one embodiment, R21 is a linear or branched hydrocarbyl.

[0084] In one embodiment, R21 is selected from C1-C30 alkyl or C2-C30 alkenyl; more preferably R2 is selected from C8-C30 alkyl or C8-C30 alkenyl. In one embodiment, R21 is selected from C8-C22 alkyl and C8-C22 alkenyl. In one embodiment, R21 is selected from C10-C22 alkyl and C10-C22 alkenyl. In one embodiment, the alkenyl mentioned for R21 may have from 1 to 3 double bonds, for example 1, 2 or 3 double bonds. The above alkyl (C1-C30 alkyl and C8-C30 alkyl) may be Petition 870250088561, dated 09 / 30 / 2025, page 50 / 121 / 97 optionally interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the alkyl above may optionally be substituted with -(CO)-O-.

[0085] In the compound of formula (VII), R22, R23, R24 are selected independently of each other from hydrogen or C1-C4 alkyl; In a preferred embodiment, R22, R23, R24 are selected independently of each other from hydrogen, methyl or ethyl, preferably hydrogen or methyl.

[0086] In one embodiment, the variables in the compound of formula (VII) have the following meanings: R20 is selected from either hydrogen or C1-C6 alkyl; R21 is selected from C1-C30 alkyl or C2-C30 alkenyl; and R22, R23, and R24 are selected independently from either hydrogen or C1-C4 alkyl. wherein the above alkyl (C1-C6 alkyl and C1-C30 alkyl) may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the above alkyl may optionally be substituted with -(CO)-O-.

[0087] In one embodiment, the variables in the compound of formula (VII) have the following meanings: R20 is selected from either hydrogen or C1-C3 alkyl; R21 is selected from C8-C30 alkyl or C8-C30 alkenyl; and R22, R23, and R24 are selected independently from hydrogen, methyl, or ethyl groups; wherein the alkyl (C1-C3 alkyl and C8-C30 alkyl) above may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the alkyl above may optionally be substituted with -(CO)-O-.

[0088] In one embodiment, the variables in the compound formula Petition 870250088561, dated 09 / 30 / 2025, p. 51 / 121 / 97 (VII) has the following meanings: R20 is selected from either hydrogen or C1-C2 alkyl; R21 is selected from C8-C22 alkyl or C8-C22 alkenyl groups; and R22, R23, and R24 are selected independently from either hydrogen or methyl groups; wherein the alkyl (C8-C22 alkyl) above may optionally be interrupted by one or more non-adjacent sulfur / oxygen atoms, and / or one or more non-adjacent carbon atoms in the alkyl above may optionally be substituted with -(CO)-O-.

[0089] In one embodiment, at least one (i.e., one or two) of R20 and R24 is not hydrogen. In one embodiment, at least one (i.e., one or two) of R1 and R5 is methyl. In one embodiment, both R20 and R24 are methyl.

[0090] In one embodiment, the compound of formula (VII) in which R20 and R24 are independently of each other H or C1 alkyl (preferably methyl).

[0091] In one embodiment, R20 and R24 in formula (VII-A) are C1 alkyl (i.e., methyl).

[0092] The compound of formula (VII-A) has three asymmetric carbon atoms in positions 2, 4' and 8' in its chemical structure. All combinations of R and S configurations on individual asymmetric carbon atoms are addressed, including mixtures of enantiomers and diastereomers, for example, racemic mixtures. A compound of formula (VII-A) is, for example, α-tocopherol, i.e., R20 is C1 alkyl, R24 is C1 alkyl and Petition 870250088561, dated 09 / 30 / 2025, p. 52 / 121 41 / 97 the configuration 2R, 4'R and 8'R, β-tocopherol, i.e., R20 is C11 alkyl, R24 is hydrogen and the configuration 2R, 4'R and 8'R, γ-tocopherol, i.e., R20 is hydrogen, R24 is C11 alkyl and the configuration 2R, 4'R and 8'R, or δ-tocopherol, i.e., R20 is hydrogen, R24 is hydrogen and the configuration 2R, 4'R and 8'R. Mixtures of compounds of formula (VII-A) are also suitable, for example, natural vitamin E or industrially synthesized vitamin E contains compounds of formula (VII-A). Preferably, at least one of R20 and R24 is C11 alkyl. In particular, R20 and R24 are C11 alkyl.

[0093] In one embodiment, the compound of formula (VIII) (component (iii)) is selected from tocopherols, tocotrienols and mixtures thereof. Tocopherols may include, for example, α-, β-, γ- and δ-tocopherols. Tocotrienols may include, for example, α-, β-, γ- and δ-tocotrienols.

[0094] In one embodiment, component (iii) comprises α-, β-, γ-, δ-tocopherols or α-, β-, γ-, δ-tocotrienols or a mixture thereof.

[0095] In one embodiment, the compound of formula (VII) (component (iii)) is Vitamin E. Vitamin E contains Vitamin E from natural sources and Vitamin E from synthetic sources. In one embodiment, Vitamin E is synthesized and is a mixture of stereoisomers.

[0096] In one embodiment, the compound of formula (VIII) (component (iii)) is a compound of formula (VII-B): ch3 ch3CHs (VII-B).

[0097] The compound related to Formula (VII-B) is 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol.

[0098] In one embodiment, the compound of formula (VII) (component (iii)) is a compound of formula (VII-C): Petition 870250088561, dated 09 / 30 / 2025, p. 53 / 121 / 97

[0099] The compound related to Formula (VII-C) is 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-yl acetate.

[00100] The compounds of formulas (VII-B) and (VII-C) each contain three asymmetric carbon atoms at positions 2, 4', and 8' in their respective chemical structures. All combinations of R and S configurations on individual asymmetric carbon atoms are addressed, including mixtures of enantiomers and diastereomers, for example, racemic mixtures. In one embodiment, component (iii) is a racemic mixture of stereoisomers of formula (VII-B) and / or formula (VII-C).

[00101] The stabilizer mixture developed in the present invention has proven effective for processing thermoplastics, such as polyolefins.

[00102] The components of the stabilizer mixture can be used in any suitable weight ratio sufficient to provide the desired performance. The stabilizer mixtures comprising two of the three components (i) hydroxylamine or amine oxide; (ii) benzofuran-2one according to formula (I); and (iii) cromonanol, specifically (i) to (ii); (i) to (iii) in each case may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2.

[00103] The stabilizer mixtures comprising the three components (i) hydroxylamine or amine oxide; (ii) benzofuran-2-one according to formula (I); and (iii) cromonol (i) to (ii) to (iii) may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1.

[00104] In a particularly desirable embodiment, the stabilizer mixture comprises a combination of bis(alkyl) hydroxyamines of oil Petition 870250088561, dated 09 / 30 / 2025, p. 54 / 121 / 97 of hydrogenated palm oil) and 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may additionally comprise other additives commonly used in stabilizer mixtures used for processing thermoplastic polymers, for example, phosphites, for example tris(2,4-di-tert-butylphenyl)phosphite; light stabilizers; and acid removers.

[00105] In a particularly desirable embodiment, the stabilizer mixture comprises the combination of N,N-di(hydrogenated tallow)hydroxylamine and 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl)phosphite; light stabilizers; and acid scavengers.

[00106] In a particularly desirable embodiment, the stabilizer mixture comprises the combination of bis(alkyl from hydrogenated palm oil) hydroxyamines and [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1-benzofuran3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00107] In a particularly desirable embodiment, the mixture of Petition 870250088561, dated 09 / 30 / 2025, p. 55 / 121 / 97 stabilizers comprise the combination of N,N-di(hydrogenated tallow)hydroxylamine and [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1-benzofuran-3yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl)phosphite; Light stabilizers; and acid removers.

[00108] In another particularly desirable embodiment, the stabilizer mixture comprises a combination of bis(hydroxylated palm oil alkyl) and 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)3-[3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] hydroxyamines (Formula (IV-S7)). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may additionally comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00109] In another particularly desirable embodiment, the stabilizer mixture comprises a combination of N,N-di(hydrogenated tallow)hydroxylamine and 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3-[3,5-dimethyl4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12H-dibenzo[d,g][1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] (Formula (IV-S7)). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example Petition 870250088561, dated 09 / 30 / 2025, page 56 / 121 / 97 phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00110] In another particularly desirable embodiment, the stabilizer mixture comprises a combination of bis(alkyl of hydrogenated palm oil) hydroxyamines and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00111] In another particularly desirable embodiment, the stabilizer mixture comprises a combination of N,N-di(hydrogenated tallow)hydroxylamine and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00112] In yet another particularly desirable embodiment, the stabilizer mixture comprises a combination of 2(3H)Benzofuranone, 3-[2-(acetyloxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture Petition 870250088561, dated 09 / 30 / 2025, p. 57 / 121 / 97 may additionally include other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00113] In yet another particularly desirable embodiment, the stabilizer mixture comprises a combination of [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1-benzofuran-3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may additionally comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00114] In yet another particularly desirable embodiment, the stabilizer mixture comprises a combination of 2(3H)Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3-[3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12H-dibenzo[d,g][1,3,2]dioxaphosphocin-6yl]oxy]phenyl] (Formula (IV-S7)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the two components may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00115] In another particularly desirable embodiment, the stabilizer mixture comprises a combination of bis(alkyl) hydroxyamines Petition 870250088561, dated 09 / 30 / 2025, page 58 / 121 / 97 hydrogenated palm oil) and 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)3-[3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] (Formula (IV-S7)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00116] In another particularly desirable embodiment, the stabilizer mixture comprises the combination of N,N-di(hydrogenated tallow)hydroxylamine and 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3-[3,5-dimethyl4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] (Formula (IV-S7)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00117] In another particularly desirable embodiment, the stabilizer mixture comprises the combination of bis(alkyl of hydrogenated palm oil) and 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha Petition 870250088561, dated 09 / 30 / 2025, p. 59 / 121 / 97 tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00118] In another particularly desirable embodiment, the stabilizer mixture comprises the combination of N,N-di(hydrogenated tallow)hydroxylamine and 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00119] In another particularly desirable embodiment, the stabilizer mixture comprises the combination of bis(alkyl of hydrogenated palm oil) hydroxyamines and [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1-benzofuran-3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may additionally comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example. Petition 870250088561, dated 09 / 30 / 2025, p. 60 / 121 / 97 phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00120] In another particularly desirable embodiment, the stabilizer mixture comprises the combination of N,N-di(hydrogenated tallow)hydroxylamine and [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1-benzofuran-3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8) and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B). The weight ratio of the three components may vary from 9:0.5:0.5 to 4.5:4.5:1, preferably from 5:0.5:0.5 to 1:2.5:2.5, more preferably from 3:1:1 to 1:1:1. The stabilizer mixture may additionally comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example tris(2,4-di-tert-butylphenyl) phosphite; light stabilizers; and acid scavengers.

[00121] In a suitable embodiment, the stabilizer mixture comprises the combination of bis(alkyl from hydrogenated palm oil) hydroxyamines and 5,7-di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (Formula (IV-S4)) and / or 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one (Formula IV-S5), particularly because the weight ratio of these two benzofuranones is 90:10. The weight ratio of hydroxyamine to benzofuranone may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl) phosphite;

[00122] In a suitable embodiment, the stabilizer mixture comprises the combination of N,N-di(hydrogenated tallow)hydroxylamine and 5,7di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (Formula (IV-S4) and / or Petition 870250088561, dated 09 / 30 / 2025, p. 61 / 121 / 97 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one (Formula IV-S5), particularly because the weight ratio of these two benzofuranones is 90:10. The weight ratio of hydroxylamine to benzofuranone may vary from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2. The stabilizer mixture may further comprise other additives commonly used in stabilizer mixtures used to process thermoplastic polymers, for example phosphites, for example, tris(2,4-di-tert-butylphenyl)phosphite; light stabilizers; and acid scavengers.

[00123] Other suitable forms of stabilizer mixtures include the combination of primary stabilizer components: 5,7-di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (Formula (IV-S4)) and / or 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one (Formula IV-S5), particularly because the weight ratio of these two benzofuranones is 90:10 with 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B).

[00124] bis(alkyl of hydrogenated palm oil) hydroxyamines and 5,7-di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (Formula (IV-S4)) and / or 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one (Formula IV-S5), particularly because the weight ratio of these two benzofuranones is 90:10, and 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula VII-B).

[00125] Other suitable forms of stabilizer mixtures include the combination of primary stabilizer components: tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(cocoa alkyl)methylamine oxide, tri(cocoa alkyl)amine oxide, di(tallow alkyl)methylamine oxide, tri(tallow alkyl)amine oxide, tri(C14-C24)amine oxide, di(C14-C24 alkyl)methylamine oxide and mixtures containing any of the foregoing, Petition 870250088561, dated 09 / 30 / 2025, p. 62 / 121 / 97 preferably amines, methyl bis(alkyl hydrogenated rapeseed oil), Noxides, in combination with 5,7-di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one (Formula (IV-S4)) and / or 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one (Formula IV-S5), particularly because the weight ratio of these two benzofuranones is 90:10.

[00126] tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(alkyl coco)methylamine oxide, tri(alkyl coco)amine oxide, di(alkyl tallow)methylamine oxide, tri(alkyl tallow)amine oxide, tri(C14-C24)amine oxide, di(alkyl C14C24)methylamine oxide and mixtures containing any of the foregoing, preferably amines, methyl bis(alkyl hydrogenated rapeseed oil), Noxides, in combination with 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)- (Formula (IV-S6)).

[00127] tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(alkyl coco)methylamine oxide, tri(alkyl coco)amine oxide, di(alkyl tallow)methylamine oxide, tri(alkyl tallow)amine oxide, tri(C14-C24)amine oxide, di(alkyl C14C24)methylamine oxide and mixtures containing any of the foregoing, preferably amines, hydrogenated rapeseed oil methyl bis(alkyl), N oxides, in combination with 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3[3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] (Formula (IV-S7)).

[00128] Tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(alkyl coco)methylamine oxide, tri(alkyl coco)amine oxide, di(alkyl tallow)methylamine oxide, tri(alkyl tallow)amine oxide, tri(C14-C24)amine oxide, di(alkyl C14 Petition 870250088561, dated 09 / 30 / 2025, page 63 / 121 / 97 C24)methylamine, and mixtures containing any of the foregoing in combination, preferably amines, methyl bis(alkyl hydrogenated rapeseed oil), N-oxides, with [4-tert-butyl-2-(5-tert-butyl-2-oxo-3H-1benzofuran-3-yl)phenyl] 3,5-di-tert-butyl-4-hydroxybenzoate (Formula IV-S8).

[00129] Tertiary amine oxides selected from the group consisting of dioctylmethylamine oxide, trioctylamine oxide, didecylmethylamine oxide, di(alkyl coco)methylamine oxide, tri(alkyl coco)amine oxide, di(alkyl tallow)methylamine oxide, tri(alkyl tallow)amine oxide, tri(C14-C24)amine oxide, di(alkyl C14C24)methylamine oxide and mixtures containing any of the foregoing, preferably amines, hydrogenated rapeseed oil methyl bis(alkyl), N oxides, in combination with 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (alpha-tocopherol) (Formula (VII-B).

[00130] In one embodiment of the invention, the stabilizer mixture comprises components (i), i.e., a hydroxylamine (including any of the more specific embodiments described herein) or an amine oxide (including any of the more specific embodiments described herein); and (ii) benzofuran-2-one according to formula (I) (including any of the more specific embodiments described herein) and / or (iii) cromonan (including any of the more specific embodiments described herein). In a more desirable embodiment, the stabilizer mixture is employed in an amount below 500 ppm by the combined weights of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer.Ideally, the quantity used based on components (i) and (ii) and / or (iii) should be less than 300 ppm, more preferably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, and even more preferably up to 100 ppm.

[00131] Thus, in this embodiment of the invention, the mixture of stabilizers Petition 870250088561, dated 09 / 30 / 2025, page 64 / 121 / 97 comprises at least two of the components selected from (i), (ii) and (iii), any of the respective specific embodiments described herein for each of the components and the stabilizer mixture is present in the thermoplastic polymer composition or is employed in the method or use to produce the thermoplastic polymer composition in an amount below 500 ppm, desirably less than 300 ppm, more desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (i), (ii) and (iii) present in the stabilizer mixture, based on the weight of the thermoplastic polymer.

[00132] Generally, the stabilizer mixture may be present in the thermoplastic polymer composition or employed in the method or use to produce the thermoplastic polymer composition in an amount of at least 40 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer. Suitable amounts of the stabilizer mixture employed may be in the range of 40 ppm to below 500 ppm, for example, 50 ppm to below 300 ppm, 50 ppm to below 250 ppm, 50 ppm to 200 ppm, 60 ppm to 150 ppm, 60 ppm to 100 ppm, by the combined weight of components (i), (ii) and (iii) present in the stabilizer mixture, based on the weight of the thermoplastic polymer.

[00133] In a particularly preferred embodiment of the present invention, the stabilizer mixture comprises components (A) (i) a hydroxylamine or amine oxide and (iii) a cromonanol; or (B) (ii) a benzofuran-2-one of formula (I) and (iii) a cromonanol; or (C) (i) a hydroxylamine or amine oxide and (ii) a benzofuran-2-one of formula (I) and (iii) a cromonanol. Thus, in this embodiment a (iii) cromonanol must be present in the stabilizer mixture. This particularly preferred embodiment applies to various aspects (composition, method of preparation). Petition 870250088561, dated 09 / 30 / 2025, page 65 / 121 / 97 of the composition and use of the stabilizer mixture) wherein the composition comprises (a) a thermoplastic polymer, preferably a polyolefin; and (b) a mixture of stabilizers. According to the definitions of the present invention, with respect to (A) components (i) and (iii) are present in the composition; and (C) components (i) and (ii) and (iii) respectively are present in the composition in an amount below 500 ppm by the combined weight of the respective components present in the stabilizer system based on the weight of the thermoplastic polymer; and with respect to (B) components (ii) and (iii) are present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, more preferably still up to 100 ppm, by weight of the respective components based on the weight of the thermoplastic polymer.

[00134] Components (i) and (ii) and / or (iii) present in the stabilizer mixture of the invention can be considered primary antioxidants. These primary antioxidants can remove and / or capture C-centered radicals, which are normally formed during the degradation of thermoplastic polymers.

[00135] In a desirable embodiment of the invention, the stabilizer mixture may also contain a secondary antioxidant. More desirably, the secondary antioxidant is a phosphite or phosphonite, preferably a phosphite. Examples of suitable phosphites or phosphonites are trisalkyl (C12-C15) phosphite, triisodecyl phosphite, triisotridecyl phosphite, dioleyl hydrogen phosphite, triisooctyl phosphite, heptakis (dipropylene glycol) triphosphite, trilauryl tritium phosphite, tris(dipropylene glycol) phosphite, dimethyl hydrogen phosphite, dibutyl hydrogen phosphite, dilauryl hydrogen phosphite, tri-C12-C14 phosphite or bis(2-ethylhexyl) hydrogen phosphite. Other phosphites and phosphonates, which are, for example, liquids, such as di-n-octyl hydrogen phosphite or di-iso-octyl hydrogen phosphite, or, for example, phosphite Petition 870250088561, dated 09 / 30 / 2025, page. 66 / 121 / 97 triphenyl, tris(nonylphenyl) phosphite, phenyldiisodecyl phosphite, diphenylisodecyl phosphite, [triphenyl phosphite, polymer with 1,4-cyclohexanedimethanol and polypropylene glycol, C10-10 alkyl esters]· Other optional phosphite or phosphonate additives are, for example, Alkyl (C12-C15) bisphenol A phosphite, Alkyl (C10) bisphenol A phosphite, Poly(dipropylene glycol)phenyl phosphite, Tris(tridecyl) phosphite, Diphenyl phosphite, dodecyl nonylphenol phosphite combination, Phenyl neopentylene glycol phosphite, Poly 4,4' isopropylidenediphenol - C10 Alcohol Phosphite, Poly 4,4' Isopropylidenediphenol - C12-15 Alcohol Phosphite, Diphenylalkyl Phosphites, Phenyldialkyl Phosphites, C12C18 bis[4-(1-methyl-1-phenyl-ethyl)phenyl] Alkyl Phosphite, Alkenyl Phosphite C12-C18 bis[4-(1methyl-1-phenyl-ethyl)phenyl], bis[4-(1-methyl-1-phenyl-ethyl)phenyl] [(E)-octadec9-enyl] phosphite, decyl bis[4-(1-methyl-1-phenyl-ethyl)phenyl] phosphite,Didecyl [4-(1methyl-1-phenyl-ethyl)phenyl] phosphite, [4-(1-methyl-1-phenyl-ethyl)phenyl] bis[(E)-octadec9-enyl] phosphite, trilaurila phosphite, trioctadecyl phosphite, distearylpentaerythritol diphosphite, tris(2,4-di-terc-butylphenyl), diisodecyl pentaerythritol disphosphite, bis(2,4-di-terc-butylphenyl)pentaerythritol disphosphite, bis(2,4-di-cumylphenyl)pentaerythritol disphosphite, bis(2,6-di-terc-butyl-4-methylphenyl)pentaerythritol, disphosphite diisodecyl oxi pentaerythritol, bis(2,4-di-terc-butyl-6methylphenyl)pentaerythritol disphosphite, bis(2,4,6-tris(terc-butylphenyl)pentaerythritol disphosphite, [2-terc-butyl-4-[1-[5-terc-butyl-4di(tridecoxi)fosfanyloxi-2-methyl-phenyl]butyl]-5-methyl-phenyl] ditridecyl, triphosphito de tris(monoC1-C8-alquil)phenyl sorbitol, a mixture of less than two different phosphitos of tris(monoC1-C8-alquil)phenyl as per example, mentioned in document US 7468410 B2 as produced by examples 1 and 2,a mixture of phosphites comprising at least two different tris(amylphenyl) phosphites, such as, for example, mentioned in US document 8008383 B2 as mixtures 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 and 26, a mixture of at least four different phosphites comprising tris[4-(1,1-dimethylpropyl)phenyl] phosphite, [2,4-bis(1,1-dimethylpropyl)phenyl] bis[4-(1,1-dimethylpropyl)phenyl] phosphite, bis[2,4-bis(1,1-dimethylpropyl)phenyl] phosphite [4-(1,1-dimethylpropyl)phenyl] and tris[2,4-bis(1,1-dimethylpropyl)phenyl) phosphite], a mixture of phosphites comprising at least two different tris(butylphenyl) phosphites as, for example, mentioned in US document 8008383 B2 as mixtures 34, 35, 36, 37, 38, 39 and 40, a bis-(di-C6-aryl) diphosphite with an oxyalkylene bridge or an oligomeric phosphite obtained by condensation under hydrogen chloride removal of (i) a trichlorophosphone,with (ii) a hydroxyalkane interrupted by one or more oxygen atoms and with (iii) a monohydroxy-C6-arene as, for example, mentioned in US 8304477 B2 as products of examples 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17, a polymeric phosphite obtained by transesterification under phenol removal of (i) triphenyl phosphite with (ii) a hydroxyalkane optionally interrupted by one or more oxygen atoms and / or a bis(hydroxyalkyl)(alkyl)amine and with (iii) a monohydroxyalkane optionally interrupted by one or more oxygen atoms, as for example mentioned in US 8563637 B2 as products of examples 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, tetrakis(2,4-di-tert-butylphenyl) 4,4'-biphenylene diphosphonite, 6-isooctyloxy-2,4,8,10-tetra-tert-butyl-12H-dibenz[d,g]-1,3,2dioxaphosphocine, phosphite bis(2,4-di-tert-butyl-6-methylphenyl)methylbis(2,4-ditert-butyl-6-methylphenyl)methyl, bis(2,4-di-tert-butyl-6-methylphenyl)ethyl phosphite, 6-fluoro-2,4,8,10-tetra-tert-butyl-12-methyl-dibenz[d,g]-1,3,2-dioxaphosphocine, 1,3,7,9-tetra-tert-butyl-11-octoxy-5H-benzo[d][1,3,2] benzodioxaphosphocine, 2,2',2H-nitrile[triethyltris(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite], phosphorous acid, triphenyl ester, polymer with a-hydro-ωhydroxypoly[oxy(methyl-1,2-ethanediyl)], C10-16 alkyl esters, 2ethylhexyl(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl)phosphite, 5-Butyl-5-ethyl-2(2,4,6-tri-tert-butylphenoxy)-1,3,2-dioxaphosphyrane, phosphorous acid, mixed triesters of 2,4-bis(1,1-dimethylpropyl)phenyl and 4-(1,1-dimethylpropyl)phenyl., Petition 870250088561, dated 09 / 30 / 2025, p. 68 / 121 / 97

[00136] The following phosphites are especially preferred: tris(2,4-di-tert-butylphenyl) phosphite, tris(nonylphenyl) phosphite, (A) (CH3)3C the PO CH2CH(C4H9)CH2CH3o (CH3)3C (CH3)3C o —P C(CH3)3 H3C the H37C1—OP (F) C(CH3)3 C(CH3)3 p—o / o C(CH3)3 oo—P p—o / o C(CH3)3 O >-o-c18H37o (B) (C) C(CH3)3 (CH3)3C (D) (CH3)3C or (CH3)3C CH3 H3C CH3 H3C—C—ch3 O--P—OCH,CH. CH3 -12 (E) '2 '3 (G)

[00137] Phosphites or phosphonites can be used in an amount of up to 2% by weight of the thermoplastic polymer, for example, from 0.01% by weight to 2% by weight, for example, from 0.025% by weight to 1% by weight.

[00138] The mixture of stabilizers may also contain antioxidants. Petition 870250088561, dated 09 / 30 / 2025, p. 69 / 121 / 97 additional. Typical additional antioxidants that may be included in the stabilizer mixture can be selected from the following list.

[00139] 1. Alkylated monophenols, for example 2,6-di-tert-butyl-4-methylphenol, 2-tert-butyl-4,6-dimethylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2,6-di-tert-butyl-4-isobutylphenol, 2,6-dicyclopentyl-4-methylphenol, 2-(α-methylcyclohexyl)-4,6-dimethylphenol, 2,6-dioctadecyl-4-methylphenol, 2,4,6-tricyclohexylphenol, 2,6-di-tert-butyl-4-methoxymethylphenol, nonylphenols that are linear or branched in the side chains, for example 2,6-di-nonyl-4-methylphenol, 2,4-dimethyl-6-(1'-methylundec-1'-yl)phenol, 2,4dimethyl-6-(1'-methylheptadec-1'-yl)phenol, 2,4-dimethyl-6-(1'-methyltridec-1'yl)phenol, 2,4-dimethyl-6-(1'-methyl-1'-tetradecyl-methyl)-phenol and mixtures thereof.

[00140] 2. Alkylthiomethylphenols, for example, 2,4-dioctylthiomethyl-6tert-butylphenol, 2,4-dioctylthiomethyl-6-methylphenol, 2,4-dioctylthiomethyl-6-ethylphenol, 2,6-didodecylthiomethyl-4-nonylphenol.

[00141] 3. Hydroquinones and alkylated hydroquinones, e.g. 2,6-di-tert-butyl-4-methoxyphenol, 2,5-di-tert-butylhydroquinone, 2,5-di-tercamylhydroquinone, 2,6-diphenyl-4-octadecyloxyphenol, 2,6-di-tert-butylhydroquinone, 2,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyanisole, 3,5-di-tert-butyl-4-hydroxyphenyl stearate, bis(3,5-di-tert-butyl-4-hydroxyphenyl) adipate.

[00142] 4. Hydroxylated thiodiphenyl ethers, for example, 2,2'-thiobis(6-tert-butyl-4-methylphenol), 2,2'-thiobis(4-octylphenol), 4,4'-thiobis(6-tert-butyl-3-methylphenol), 4,4'-thiobis(6-tert-butyl-2-methylphenol), 4,4'-thiobis(3,6-disec-amylphenol), 4,4'-bis(2,6-dimethyl-4-hydroxyphenyl)disulfide.

[00143] 5. Alkylidenesbisphenols, for example, 2,2'-methylenebis(6-tertbutyl-4-methylphenol), 2,2'-methylenebis(6-tert-butyl-4-ethylphenol), 2,2'methylenebis[4-methyl-6-( □ -methylcyclohexyl)phenol], 2,2'-methylenebis(4-methyl-6cyclohexylphenol), 2,2'-methylenebis(6-nonyl-4-methylphenol), 2,2'-methylenebis(4,6di-tert-butylphenol), 2,2'-ethylidenebis(4,6-di-tert-butylphenol), 2,2'-ethylidenebis(6Petition 870250088561, of 09 / 30 / 2025, p.70 / 121 / 97 tert-butyl-4-isobutylphenol), 2,2'-methylenebis[6-(a-methylbenzyl)-4-nonylphenol], 2,2'-methylenebis[6-(a,a--dimethylbenzyl)-4-nonylphenol], 4,4'-methylenebis(2,6-ditert-butylphenol), 4,4'-methylenebis(6-tert-butyl-2-methylphenol), 1,1-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butano, 2,6-bis(3-tert-butyl-5-methyl-2hydroxybenzyl)-4-methylphenol, 1,1,3-tris(5-tert-butyl-4-hydroxy-2methylphenyl)butano, 1,1 -bis(5-tert-butyl-4-hydroxy-2-methylphenyl)-3-indodecylmercatobutano, ethylene glycol bis[3,3-bis(3'-tert-butyl-4'hydroxyphenyl)butyrate], bis(3-tert-butyl-4-hydroxy-5-methylphenyl)dicyclopentadiene, bis[2-(3'-tert-butyl-2'-hydroxy-5'-methylbenzyl)-6-tert-butyl-4-methylphenyl]terephthalate, 1,1 -bis-(3,5-dimethyl-2-hydroxyphenyl)butane, 2,2bis(3,5-di-tert-butyl-4-hydroxyphenyl)propane, 2,2-bis(5-tert-butyl-4-hydroxy-2methylphenyl)-4-n-dodecylmercaptobutane, 1,1,5,5-tetra-(5-tert-butyl-4-hydroxy-2methylphenyl)pentane.

[00144] 6. O-, N- and S-benzylic compounds, for example, ether of. 3,5,3',5'-tetra-tert-butyl-4,4'-dihydroxydibenzyl, octadecyl-4-hydroxy-3,5dimethylbenzylmercapcetato, tridecyl-4-hydroxy-3,5-di-tertbutylbenzylmercaptoacetato, tris(3,5-di-tert-butyl-4-hydroxybenzyl)amine, bis(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)dithioterephthalate, bis(3,5-di-tert-butyl-4-hydroxybenzyl)sulphureto, iso-octyl-3,5-di-tert-butyl-4-hydroxybenzylmercaptoacetato.

[00145] 7. Malonatos hydroxybenzilados, por exemplo, dioctadecyl-2,2bis(3,5-di-tert-butyl-2-hydroxybenzyl)malonato, di-octadecyl-2-(3-tert-butyl-4hydroxy-5-methylbenzyl)malonato, di-dodecylmercaptoethyl-2,2-bis (3,5-di-tert-butyl-4-hydroxybenzyl)malonato, bis[4-(1,1,3,3-tetramethylbutyl)phenyl]-2,2bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonato.

[00146] 8. Compostos aromaticos hydroxybenzílicos, por exemplo 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, 1,4-bis(3,5-di-tert-butyl-4-hydroxybenzyl)-2,3,5,6-tetramethylbenzene, 2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)phenol. Petition 870250088561, dated 09 / 30 / 2025, page 71 / 121 / 97

[00147] 9. Triazine compounds, for example, 2,4-bis(octylmercapto)6-(3,5-di-tert-butyl-4-hydroxyanilino)-1,3,5-triazine, bis(3,5-di-tert-butyl-4-hydroxyanilino)-1,3,5-triazine, bis(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,3,5-triazine, 2-octylmercapto-4,62-octylmercapto-4,62,4,6-tris(3,5-di-tert-butyl-4-hydroxyphenoxy)-1,2,3-triazine, 1,3,5-tris(3,5-di-tert-butyl-4hydroxybenzyl)isocyanurate, 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6dimethylbenzyl)isocyanurate, 2,4,6-tris(3,5-di-tert-butyl-4-hydroxyphenylethyl)1,3,5-triazine, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)-hexahydro1,3,5-triazine, 1,3,5-tris(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate.

[00148] 10. Benzylphosphonates, for example, dimethyl-2,5-di-tert-butyl-4-hydroxybenzylphosphonate, diethyl-3,5-di-tert-butyl-4-hydroxybenzyl-phosphonate, dioctadecyl-3,3,5-di-tert-butyl-4-hydroxybenzylphosphonate, dioctadecyl-5-tert-butyl-4-hydroxy-3-methylbenzylphosphonate, the calcium salt of the monoethyl ester of 3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid.

[00149] 11. Acylaminophenols, for example, 4-hydroxylauranilide, 4-hydroxystearanilide, N-(3,5-di-tert-butyl-4-hydroxyphenyl)octyl carbamate.

[00150] 12. Esters of e-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alcohols, for example, with methanol, ethanol, n-octanol, i-octanol, a mixture of linear and branched C7-C9 alkanols, octadecanol, a mixture of linear and branched C13-C15 alkanols, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis-(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4hydroxymethyl-1-phospha-2,6,7-trioxabicyclo[2.2.2]octane.

[00151] 13. Esters of e-(5-tert-butyl-4-hydroxy-3-methylphenyl)propionic acid with mono- or polyhydric alcohols, for example with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, Petition 870250088561, dated 09 / 30 / 2025, page 72 / 121 / 97 diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7trioxabicyclo[2,2,2]octane; 3,9-bis[2-{ 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy}-1,1-dimethylethyl]-2,4,8,10-tetraoxaspiro[5,5]undecane.

[00152] 14. Esters of e-(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alcohols, for example with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7trioxabicyclo[2,2,2]octane.

[00153] 15. Esters of 3,5-di-tert-butyl-4-hydroxyphenyl acetic acid with mono- or polyhydric alcohols, for example, with methanol, ethanol, octanol, octadecanol, 1,6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7trioxabicyclo[2.2.2]octane.

[00154] 16. Amides of e-(3,5-di-tert-butyl-4hydroxyphenyl)propionic acid, for example N,N'-bis(3,5-di-tert-butyl-4hydroxyphenylpropionyl)hexamethylenediamide, N,N'-bis(3,5-di-tert-butyl-4hydroxyphenylpropionyl)trimethylenediamide, N,N'-bis(3,5-di-tert-butyl-4hydroxyphenylpropionyl)hydrazide, N,N'-bis[2-(3-[3,5-di-tert-butyl-4hydroxyphenyl]propionyloxy)ethyl]oxamide (Naugard XL-1 (RTM), supplied by Uniroyal).

[00155] 17. Ascorbic acid (vitamin C) Petition 870250088561, dated 09 / 30 / 2025, p. 73 / 121 / 97

[00156] 18. Amine antioxidants, for example N,N'-di-isopropyl-phenylenodiamine, N,N'-di-sec-butyl-p-phenylenodiamine, N,N'-bis( 1,4dimethylpentyl)-p-phenylenodiamine, N,N'-bis(1-ethyl-3-methylpentyl)-phenylenodiamine, N,N'-bis(1-methylheptyl)-p-phenylenodiamine, N,N'dicyclohexyl-p-phenylenodiamine, N,N'-diphenyl-p-phenylenodiamine, N,N'-bis(2naphthylpentyl)-phenylenodiamine N-isopropyl-N'-phenyl-p-phenylenodiamine, N-(1,3dimethylbutyl)-N'-phenyl-p-phenylenodiamine, N-(1-methylheptyl)-N'-phenyl-phenylenodiamine, N-cyclohexyl-N'-phenyl-p-phenylenediamine, 4-os N,N'-dimethyl-N,N'-di-sec-butyl-phenylenodiamine, diphenylamine, N-allyldiphenylamine, 4-isopropoxydiphenylamine, N-phenyl-1-naphthylamine, N-(4-terc-octylphenyl)-1-naphthylamine, N-phenyl-2naphthylamine, diphenylamine, pore p,p'-di-terc-octyldiphenylamine, 4-n-butylaminophenol, 4-butyrylaminophenol, 4-nonanoylaminophenol, 4dodecanoylaminophenol, 4-octadecanoylaminophenol, bis(4-methoxyphenyl)amine, 2,6-di-terc-butyl-4-dimethylaminomethylphenol, 2,4'-diaminodiphenylmethane, 4,4'diaminodiphenylmethane, N,N,N',N'-tetramethyl-4,4'-diaminodiphenylmethane, 1,2bis[(2-methylphenyl)amino]ethane, 1,2-bis(phenylamino)propane, (o-tolyl)biguanida, bis[4-(1',3'-dimethylbutyl)phenyl]amine, N-phenyl-1-naphthylamina terc-octilada, uma mistura de terc-butil / terc-octildifenilaminas mono e dialquiladas, uma mistura de nonildifenilaminas mono e dialquiladas, uma mistura de dodecildifenilaminas mono e dialquiladas, uma mixture of isopropyl / isohexyldiphenylamines mono and dialquiladas, a mixture of tercbutyldiphenylamines mono and dialquiladas, 2,3-dihydro-3,3-dimethyl-4H-1,4benzothiazine, phenothiazine, a mixture of terc-butyl / terc-octylphenothiazines mono and dialquiladas, a mixture of mono- and dialized terc-octylphenothiazines, N-allyphenothiazine, N,N,N',N'-tetraphenyl-1,4-diaminobut-2-eno, N,N-bis(2,2,6,6-tetramethylpiperid-4-yl-hexamethylhenodiamine, bis(2,2,6,6tetramethylpiperid-4-yl)sebacate, 2,2,6,6-tetramethylpiperidin-4-ona, 2,2,6,6tetramethylpiperidin-4-ol., Petition 870250088561, dated 09 / 30 / 2025, page 74 / 121 / 97

[00157] The stabilizer mixtures of the present invention may also include UV absorbers and light stabilizers. Typical examples of UV absorbers and light stabilizers are shown in the list below.

[00158] 1. 2-(2'-Hydroxyphenyl)benzotriazolis, for example 2-(2'-hydroxy5'-methylphenyl)benzotriazole, 2-(3',5'-di-tert-butyl-2'-hydroxyphenyl)benzotriazole, 2(5'-tert-butyl-2'-hydroxyphenyl)benzotriazole, 2-(2'-hydroxy-5'-(1,1,3,3tetramethylbutyl)phenyl)benzotriazole, 2-(3',5'-di-tert-butyl-2'-hydroxyphenyl)-5chlorobenzotriazole, 2-(3'-tert-butyl-2'-hydroxy-5'-methylphenyl)-5chlorobenzotriazole, 2-(3'-sec-butyl-5'-tert-butyl-2'-hydroxyphenyl)benzotriazole, 2(2'-hydroxy-4'-octyloxyphenyl)benzotriazole, 2-(3',5'-di-tert-amyl-2'hydroxyphenyl)benzotriazole, 2-(3',5'-bis(a,a-dimethylbenzyl)-2'hydroxyphenyl)benzotriazole, 2-(3'-tert-butyl-2'-hydroxy-5'-(2octyloxycarbonylethyl)phenyl)-5-chlorobenzotriazole, 2-(3'-tert-butyl-5'-[2-(2-ethylhexyloxy)carbonylethyl]-2'-hydroxyphenyl)-5-chlorobenzotriazole, 2-(3'-tert-butyl2'-hydroxy-5'-(2-methoxycarbonylethyl)phenyl)-5-chlorobenzotriazole, 2-(3'-tert-butyl2'-hydroxy-5'-(2-methoxycarbonylethyl)phenyl)benzotriazole, 2-(3'-tert-butyl-2'hydroxy-5'-(2-octyloxycarbonylethyl)phenyl)benzotriazole,2-(3'-tert-butyl-5'-[2-(2ethylhexyloxy)carbonylethyl]-2'-hydroxyphenyl)benzotriazole, 2-(3'-dodecyl-2'-hydroxy5'-methylphenyl)benzotriazole, 2-(3'-tert-butyl-2'-hydroxy-5'-(2isooctyloxycarbonylethyl)phenylbenzotriazole, 2,2'-methylenebis [4-(1,1,3,3tetramethylbutyl)-6-benzotriazol-2-ylphenol]; the transesterification product of 2[3'-tert-butyl-5'-(2-methoxycarbonylethyl)-2'-hydroxyphenyl]-2H-benzotriazole with, [R . 2-[2'-hydroxy-3'-(1,1,3,3tetramethylbutyl)-5'-(a,a-dimethylbenzyl)phenyl]benzotriazole.

[00159] 2. 2-Hydroxybenzophenones, for example the derivatives of 4-hydroxy-, 4-methoxy-, 4-octyloxy-, 4-decyloxy-, 4-dodecyloxy-, 4-benzyloxy-, Petition 870250088561, dated 09 / 30 / 2025, page 75 / 121 / 97 4,2',4'-trihydroxy and 2'-hydroxy-4,4'-dimethoxy.

[00160] 3. Esters of substituted and unsubstituted benzoic acids, for example, 4-tert-butylphenyl salicylate, phenyl salicylate, octylphenyl salicylate, dibenzoyl resorcinol, bis(4-tert-butylbenzoyl)resorcinol, benzoyl resorcinol, 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate, hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, octadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, 2-methyl-4,6-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate.

[00161] 4. Acrylates, for example, ethyl α-cyano-e,e-diphenylacrylate, iso-octyl α-cyano-e,e-diphenylacrylate, methyl α-carbomethoxycinnamate, methyl α-cyano-e-methyl-p-methoxycinnamate, butyl α-cyano-e-methyl-p-methoxycinnamate, methyl α-carbomethoxy-p-methoxycinnamate, N-(e-carbomethoxy-β-cyanovinyl)-2-methylindoline and neopentyl tetra(α-cyano-e,e-diphenylacrylate).

[00162] 5. Nickel compounds, for example, nickel complexes of 2,2'-thiobis[4-(1,1,3,3-tetramethylbutyl)phenol], such as the 1:1 or 1:2 complex, with or without additional ligands, such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of monoalkyl esters, for example, the methyl or ethyl ester of 4-hydroxy-3,5-di-tert-butylbenzylphosphonic acid, nickel ketoxime complexes, for example, 2-hydroxy-4-methylphenylundecylketoxime, nickel 1-phenyl-4-lauroyl-5-hydroxypyrazole complexes, with or without additional ligands.

[00163] 6. Sterically Impaired Amine Light Stabilizers (HALS), for example bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl)succinate, bis(1,2,2,6,6-pentamethyl-4-piperidyl)sebacate, bis(1,2,2,6,6-pentamethyl-4-piperidyl)n-butyl-3,5-di-tert-butyl-4-hydroxybenzylmalonate, the condensate of 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine and succinic acid, linear or cyclic condensates of N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine and 4-tert- octylamino2,6-dichloro-1,3,5-triazine, tris(2,2,6,6-tetramethyl-4-piperidyl)nitrilotriacetate, Petition 870250088561, dated 09 / 30 / 2025, page. 76 / 121 / 97 tetrakis(2,2,6,6-tetramethyl-4-piperidyl)-1,2,3,4-butanetetracarboxylate, 1,1'(1,2-ethanediyl)-bis(3,3,5,5-tetramethylpiperazinone), 4-benzoyl-2,2,6,6-tetramethylpiperidine, 4-stearyloxy-2,2,6,6-tetramethylpiperidine, bis(1,2,2,6,6-pentamethylpiperidyl)-2-n-butyl-2-(2-hydroxy-3,5-di-tert-butylbenzyl)malonate, 3-n-octyl-7,7,9,9-tetramethyl-1,3,8-triazaespiro[4.5]decane-2,4-dione, bis(1-octyloxy-2,2,6,6-tetramethylpiperid-4-yl)sebacate, bis(1-octyloxy-2,2,6,6-tetramethylpiperid-4-yl)succinate, bis-[2,2,6,6-tetramethyl-1-(undecyloxy)piperidin-4-yl]carbonate, linear or cyclic condensates of N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine and 4-morpholino-2,6-dichloro-1,3,5-triazine, the condensate of 2-chloro-4,6-bis(4-n-butylamino-2,2,6,6-tetramethylpiperidyl)-1,3,5-triazine and 1,2-bis(3-aminopropylamino)ethane, the condensate of 2-chloro-4,6-di-(4-n-butylamino-1,2,2,6,6pentamethylpiperidyl)-1,3,5-triazine and 1,2-bis(3-aminopropyl-amino)ethane,8-acetyl-3-dodecyl-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione, 3-dodecyl-1-(2,2,6,6-tetramethyl-4-piperidyl)pyrrolidine-2,5-dione, 3-dodecyl-1-(1,2,2,6,6-pentamethyl-4-piperidyl)pyrrolidine-2,5-dione, a mixture of 4-hexadecyloxy- and 4-stearyloxy-2,2,6,6-tetramethylpiperidine, a condensate of N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine and 4-cyclohexylamino-2,6-dichloro-1,3,5-triazine, a condensate of 1,2-bis(3-aminopropylamino)ethane and 2,4,6-trichloro-1,3,5-triazine as well as 4-butylamino-2,2,6,6-tetramethylpiperidine; a condensate of 1,6-hexanediamine and 2,4,6-trichloro-1,3,5-triazine as well as N,N-dibutylamine and 4-butylamino-2,2,6,6-tetramethylpiperidine; N-(2,2,6,6-tetramethyl-4-piperidyl)-ndodecyl succinimide, N-(1,2,2,6,6-pentamethyl-4-piperidyl)-n-dodecyl succinimide, 2-undecyl-7,7,9,9-tetramethyl-1-oxa-3,8-diaza-4-oxo-spiro[4,5]decane, a reaction product of 7,7,9,9-tetramethyl-2-cycloundecyl-1-oxa-3,8-diaza-4-oxo-spiro-[4,5]decane and epichlorohydrin, 1,1-bis(1,2,2,6,6-pentamethyl-4-piperidyloxycarbonyl)-2-(4-methoxyphenyl)-ethene, N,N'-bis-formylN,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine, a diester of Petition 870250088561, dated 09 / 30 / 2025, page. 77 / 121 / 97 methoxymethylenemalonic acid with 1,2,2,6,6-pentamethyl-4-hydroxypiperidine, poly[methylpropyl-3-oxy-4-(2,2,6,6-tetramethyl-4-piperidyl)]siloxane, a reaction product of maleic acid anhydride-olefin copolymer with 2,2,6,6-tetramethyl-4-aminopiperidine or 1,2,2,6,6-pentamethyl-4-aminopiperidine, a mixture of oligomeric compounds that are the formal condensation products of N,N'-bis-(2,2,6,6-tetramethyl-1-propoxy-piperidin-4-yl)-hexane-1,6-diamine and 2,4-dichloro-6-{n-butyl-(2,2,6,6-tetramethyl-1-propoxy-piperidin-4-yl)amino}-[1,3,5]triazine terminated with 2-chloro-4,6-bis-(di-n-butylamino)[1,3,5]triazine, a mixture of oligomeric compounds that are the formal condensation products of N,N'-bis-(2,2,6,6-tetramethyl-piperidin-4-yl)-hexane-1,6-diamine and 2,4-dichloro-6-{n-butyl-(2,2,6,6-tetrametil-piperidin-4-il)amino}-[1,3,5]triazine terminado com 2-chloro-4,6-bis-(di-n-butilamino)[1,3,5]triazine, 2,4-bis[N-(1-cyclohexiloxi-2,2,6,6-tetrametilpiperidina-4-yl)N-butilamino]-6-(2-hidroxietil)amino-1,3,5-triazine, 1 -(2-hidroxi-2metilpropoxy)-4- octadecanoiloxy-2,2,6,6-tetrametilpiperidina, 5-(2ethylhexanoil)oximetil-3,3,5-trimetil-2-morfolinona, Sanduvor (Clariant), 5-(2ethylhexanoyl)-oxymethyl-3,3,5-trimethyl-2-morpholinone, or product of the reaction of 2,4-bis-[(1-ciclo-hexiloxi-2,2,6,6-piperidine-4-yl)butylamino]-6-chloro-striazine with N,N'-bis-(3-amino-propyl)ethylenediamine), 1,3,5-tris(Ncyclohexyl-N-(2,2,6,6-tetramethyl-piperazine-3-ona-4-yl)amino)-s-triazine, 1,3,5-tris(N-cyclohexyl-N-(1,2,2,6,6-pentamethylpiperazine-3-ona-4-yl)-amino)s-triazine.,

[00164] 7. Oxamides, for example 4,4'-dioctyloxyoxanilide, 2,2'-diethoxyoxanilide, 2,2'-dioctyloxy-5,5'-di-tert-butoxanilide, 2,2'-didodecyloxy-5,5'-di-tert-butoxanilide, 2-ethoxy-2'-ethyloxanilide, N,N'-bis(3-dimethylaminopropyl)oxamide, 2-ethoxy-5-tert-butyl-2'-ethoxanilide and mixtures thereof with 2-ethoxy-2'-ethyl-5,4'-di-tert-butoxanilide, mixtures of o- and p-methoxy-disubstituted oxanilides and mixtures of o- and p-ethoxy-disubstituted oxanilides.

[00165] 8. 2-(2-Hydroxyphenyl)-1,3,5-triazines, for example 2,4,6-tris(2-hydroxy-4-octyloxyphenyl)-1,3,5-triazine, 2-(2-hydroxy-4-octyloxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine, 2-(2,4-dihydroxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine, 2,4-bis(2-hydroxy-4-propyl-oxyphenyl)-6-(2,4-dimethylphenyl)-1,3,5-triazine, 2-(2-hydroxy-4-octyloxyphenyl)-4,6-bis(4-methylphenyl)1,3,5-triazine, 2-(2-hydroxy-4-dodecyloxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5triazine, 2-(2-hydroxy-4-tridecyloxyphenyl)-4,6-bis(2,4-dimethylphenyl)-1,3,5triazine, 2-[2-hydroxy-4-(2-hydroxy-3-butyloxypropoxy)phenyl]-4,6-bis(2,4dimethyl)-1,3,5-triazine, 2-[2-hydroxy-4-(2-hydroxy-3-octyloxypropyloxy)phenyl]4,6-bis(2,4-dimethyl)-1,3,5-triazine, 2-[4-(dodecyloxy / tridecyloxy-2hydroxypropoxy)-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphenyl)-1,3,5-triazine, 2-[2hydroxy-4-(2-hydroxy-3-dodecyloxypropoxy)phenyl]-4,6-bis(2,4-dimethylphenyl)1,3,5-triazine, 2-(2-hydroxy-4-hexyloxy)phenyl-4,6-diphenyl-1,3,5-triazine, 2-(2hydroxy-4-methoxyphenyl)-4,6-diphenyl-1,3,5-triazine, 2,4,6-tris[2-hydroxy-4-(3butoxy-2-hydroxypropoxy)phenyl]-1,3,5-triazine, 2-(2-hydroxyphenyl)-4-(4methoxyphenyl)-6-phenyl-1,3,5-triazine, 2-{2-hydroxy-4-[3-(2-ethylhexyl-1-oxy)-2hydroxypropyloxy]phenyl}-4,6-bis-(2,4-dimethylphenyl)-1,3,5-triazine.,

[00166] Other additives that may be included in stabilizer mixtures are the following:

[00167] Metal deactivators, for example, N,N'-diphenyloxamide, N,N'-salicyloyl hydrazine, N,N'-bis(salicyloyl)hydrazine, N,N'-bis(3,5-diterc-butyl-4-hydroxyphenylpropionyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis(benzylidene)oxalyl di-hydrazide, oxanilide, isophthaloyl di-hydrazide, sebacoyl bisphenyl-hydrazide, N,N'-diacetyladipoyl di-hydrazide, N,N'-bis(x)hydrazyl, N,N'-bis(salicyloyl)thiopropionyl di-hydrazide.

[00168] Nitrones, for example, N-benzyl-alpha-phenylnitrone, N-ethyl-alphamethylnitrone, N-octyl-alpha-heptylnitrone, N-lauryl-alpha-undecylnitrone, Ntetradecyl-alpha-tridecylnitrone, N-hexadecyl-alpha-decylnitrone, Noctadecyl-alpha-heptadecylnitrone, N-hexadecyl-alpha-heptadecylnitrone, Nocatadecyl-alpha-pentadecylnitrone, N-heptadecyl-alpha-heptadecylnitrone, N Petition 870250088561, dated 09 / 30 / 2025, page 79 / 121 / 97 octadecyl-alpha-hexadecylnitrone, nitrone derivatives of N,N-dialkylhydroxylamine derived from hydrogenated tallow amine.

[00169] Thiosynergists, for example, dilauryl thiodipropionate, dimitryl thiodipropionate, distearyl thiodipropionate and pentaerythritol tetrakis-[3-(n-lauryl)propionic acid ester].

[00170] Peroxide removers, for example, α-thiodipropionic acid esters, for example, lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or the zinc salt of 2-mercaptobenzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfite, pentaerythritol tetrakis(ε-dodecylmercapto)propionate.

[00171] Polyamide stabilizers, for example, copper salts in combination with iodides and / or phosphorus compounds and divalent manganese salts.

[00172] Acid scavengers, for example, melamine, polyvinylpyrrolidone, dicyandiamide, triall cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of higher fatty acids, for example, calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate or zinc pyrocatecholate.

[00173] Fillers and reinforcing agents, for example, calcium carbonate, silicates, glass fibers, glass beads, asbestos, talc, kaolin, bentonite, mica, hydrotalcite, barium sulfate, metal oxides and hydroxides, carbon black, graphite, wood flour and flours or fibers of other natural products, synthetic fibers.

[00174] Other additives include, for example, plasticizers, lubricants, rheological additives, catalysts, flow control agents, optical brighteners, flame retardants, antistatic agents, and blowing agents. Other additional additives that may be useful include Petition 870250088561, dated 09 / 30 / 2025, page 80 / 121 / 97 anti-caking agents (such as glycerol monostearate, calcium stearate, etc.), anti-blocking agents, slip agents / processing aids (such as spinning oils), wetting aids, nucleating and clarifying additives, pigments and delucenting agents (such as TiO2).

[00175] The thermoplastic polymer component in the present invention has thermoplastic properties, which means that it can generally be molded into a new shape at an elevated temperature, for example, in the range of 135°C to 350°C, especially from 150°C to 340°C.

[00176] Thermoplastic polymers can be natural, semi-synthetic, or synthetic. A natural polymer is isolated from a natural source without further synthetic modifications. A synthetic polymer does not contain a polymeric portion isolated from a natural source. A semi-synthetic polymer contains at least one portion of a natural polymer, wherein the natural polymer portion may be synthetically modified and / or reacted with monomers to form the semi-synthetic polymer.

[00177] A thermoplastic polymer can be a homopolymer, based essentially on a monomer that has been homopolymerized, that is, in the absence of a different monomer, or a copolymer based on at least two different monomers that have been copolymerized.

[00178] Examples of suitable thermoplastic polymers are: 1. Polymers of monoolefins and diolefins, for example polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, poly(vinylcyclohexane), polyisoprene or polybutadiene, and also cycloolefin polymers, for example cyclopentene or norbornene, polyethylene (which may optionally be crosslinked), for example high-density polyethylene (HDPE), high-density high molecular weight polyethylene (HDPE-hMW), ultra-high-density high molecular weight polyethylene (HDPE-UHMW), medium-density polyethylene (MDPE), low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), Petition 870250088561, dated 09 / 30 / 2025, pages 81 / 121 / 97 (VLDPE) and (ULDPE).

[00179] Polyolefins, that is, the mono-olefin polymers exemplified in the previous paragraph, preferably polyethylene and polypropylene, can be prepared by different methods, and especially by the following: Radical polymerization (typically under high pressure and high temperature).

[00180] Catalytic polymerization using a catalyst that typically contains one or more metals from groups IVb, Vb, VIb (e.g., chromium) or VIII of the Periodic Table. These metals usually have one or more ligands, typically oxides, halides, alcoholates, esters, ethers, amines, alkyls, alkenyls, and / or aryls that may be coordinated in π or σ. These metal complexes may be in free form or fixed to substrates, typically activated magnesium chloride, titanium(III) chloride, alumina, or silicon oxide. These catalysts may be soluble or insoluble in the polymerization medium. Catalysts can be used alone in polymerization or additional activators can be used, typically metal alkyls, metal hydrides, metal alkyl halides, metal alkyl oxides or metal alkyloxanes, said metals being elements of groups Ia, IIa and / or IIIa of the Periodic Table.Activators can be conveniently modified with other ester, ether, amine, or silyl ether groups. These catalyst systems are generally called Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene, or single-site catalysts (SSC).

[00181] 2. Mixtures of the polymers mentioned in 1), for example mixtures of polypropylene with polyisobutylene, polypropylene with polyethylene (for example, PP / HDPE, PP / LDPE) and mixtures of different types of polyethylene (for example, LDPE / HDPE).

[00182] 3. Monoolefin and diolefin copolymers with the Petition 870250088561, dated 09 / 30 / 2025, page 82 / 121 / 97 other or with other vinyl monomers, for example ethylene / propylene copolymers, linear low-density polyethylene (LLDPE) and mixtures thereof with low-density polyethylene (LDPE), propylene / but-1-ene copolymers, propylene / isobutylene copolymers, ethylene / but-1-ene copolymers, ethylene / hexene copolymers, ethylene / methylpentene copolymers, ethylene / heptene copolymers, ethylene / octene copolymers, ethylene / vinylcyclohexane copolymers, ethylene / cycloolefin copolymers (for example, ethylene / norbornene as COC), ethylene / 1-olefin copolymers, wherein the 1-olefin is generated in situ;propylene / butadiene copolymers, isobutylene / isoprene copolymers, ethylene / vinylcyclohexene copolymers, ethylene / alkyl acrylate copolymers, ethylene / alkyl methacrylate copolymers, ethylene / vinyl acrylate copolymers or ethylene / acrylic acid copolymers and their salts (ionomers) as well as ethylene terpolymers with propylene and a diene, such as hexadiene, dicyclopentadiene or ethylene-norbornene; and mixtures of such copolymers with each other and with polymers mentioned in 1) above, for example polypropylene / ethylene-propylene copolymers, LDPE / ethylene-vinyl acetate (EVA) copolymers, LDPE / ethylene-acrylic acid (EAA) copolymers, LLDPE / EVA, LLDPE / EAA and polyalkylene / carbon monoxide copolymers and mixtures thereof with other polymers, for example polyamides.

[00183] A special copolymer of two monoolefins is a random copolymer of pipe-grade polypropylene, which can be obtained by polymerizing more than 90% by weight of propylene and less than 10% by weight, typically between 2% and 6% by weight, of ethylene.

[00184] 4. Hydrocarbon resins (e.g., C5-C9) including hydrogenated modifications thereof (e.g., thickeners) and mixtures of polyalkylenes and starch.

[00185] Homopolymers and copolymers from 1.) to 4.) can have any Petition 870250088561, dated 09 / 30 / 2025, page 83 / 121 / 97 stereostructure including syndiotactic, isotactic, hemi-isotactic or atactic; wherein isotactic polymers are preferred. Stereoblock polymers are also included.

[00186] 5. Polystyrene, poly(p-methylstyrene), poly(a-methylstyrene).

[00187] 6. Aromatic homopolymers and copolymers derived from aromatic vinyl monomers including styrene, α-methylstyrene, all isomers of vinyl toluene, especially p-vinyl toluene, all isomers of ethyl styrene, propyl styrene, vinyl biphenyl, vinyl naphthalene and vinyl anthracene, and mixtures thereof. Homopolymers and copolymers may have any stereostructure including syndiotactic, isotactic, hemi-isotactic or atactic; wherein atactic polymers are preferred. Stereoblock polymers are also included.

[00188] 6a. Copolymers including the previously mentioned vinyl aromatic comonomers and monomers selected from ethylene, propylene, dienes, nitriles, acids, maleic anhydrides, maleimides, vinyl acetate and vinyl chloride or acrylic derivatives and mixtures thereof, for example, styrene / butadiene, styrene / acrylonitrile, styrene / ethylene (interpolymers), styrene / alkyl methacrylate, styrene / butadiene / alkyl acrylate, styrene / butadiene / alkyl methacrylate, styrene / maleic anhydride, styrene / acrylonitrile / methyl acrylate; mixtures of high-impact resistant styrene copolymers and another polymer, for example, a polyacrylate, a diene polymer or an ethylene / propylene / diene terpolymer; and styrene block copolymers such as styrene / butadiene / styrene, styrene / isoprene / styrene, styrene / ethylene / butylene / styrene or styrene / ethylene / propylene / styrene.

[00189] 6b. Hydrogenated aromatic polymers derived from the hydrogenation of polymers mentioned in 6.), especially including polycyclohexylethylene (PCHE) prepared by the hydrogenation of atactic polystyrene, often called polyvinylcyclohexane (PVCH). Petition 870250088561, dated 09 / 30 / 2025, page 84 / 121 / 97

[00190] 6c. Hydrogenated aromatic polymers derived from the hydrogenation of polymers mentioned in 6a.).

[00191] Homopolymers and copolymers can have any stereostructure including syndiotactic, isotactic, hemi-isotactic or atactic; wherein atactic polymers are preferred. Stereoblock polymers are also included.

[00192] 7. Graft copolymers of aromatic vinyl monomers such as styrene or α-methylstyrene, for example styrene in polybutadiene, styrene in polybutadiene-styrene or polybutadiene-acrylonitrile copolymers; styrene and acrylonitrile (or methacrylonitrile) in polybutadiene; styrene, acrylonitrile and methyl methacrylate in polybutadiene; styrene and maleic hydride in polybutadiene; styrene, acrylonitrile and maleic hydride or maleimide in polybutadiene; styrene and maleimide in polybutadiene; styrene and alkyl acrylates or methacrylates in polybutadiene; styrene and acrylonitrile in ethylene / propylene / diene terpolymer; Styrene and acrylonitrile in polyalkyl acrylates or polyalkyl methacrylates, styrene and acrylonitrile in acrylate / butadiene copolymers, as well as mixtures thereof with the copolymers listed under 6), for example the copolymer mixtures known as ABS, MBS, ASA or AES polymers.

[00193] 8. Halogen-containing polymers, such as polychloroprene, chlorinated rubbers and chlorinated and brominated isobutylene-isoprene copolymer (halobutyl rubber), chlorinated or sulfochlorinated polyethylene, ethylene and chlorinated ethylene copolymers, epichlorohydrin homo- and copolymers, especially polymers of halogen-containing vinyl compounds, for example, poly(vinyl chloride), poly(vinylidene chloride), poly(vinyl fluoride), poly(vinylidene fluoride), as well as copolymers thereof, such as vinyl chloride / vinylidene chloride, vinyl chloride / vinyl acetate or vinylidene chloride / vinyl acetate copolymers.

[00194] 9. Polymers derived from α,β-unsaturated acids and their Petition 870250088561, dated 09 / 30 / 2025, page 85 / 121 / 97 derivatives such as polyacrylates and polymethacrylates, polyacrylamides; poly(methyl methacrylates), polyacrylamides and polyacrylonitriles, modified for impact resistance with butyl acrylate.

[00195] 10. Copolymers of the monomers mentioned in 9) with each other or with other unsaturated monomers, for example, acrylonitrile / butadiene copolymers, acrylonitrile / alkyl acrylate copolymers, acrylonitrile / alkoxyalkyl acrylate copolymers or acrylonitrile / vinyl halide copolymers or acrylonitrile / alkyl methacrylate / butadiene terpolymers.

[00196] 11. Polymers derived from amines and unsaturated alcohols or the acylated or acetal derivatives thereof, for example, poly(vinyl alcohol), poly(vinyl acetate), poly(vinyl stearate), poly(vinyl benzoate), poly(vinyl maleate), poly(vinyl butyral), poly(allyl phthalate) or poly(allylmelanin); and also their copolymers with olefins mentioned in 1) above.

[00197] 12. Homopolymers and copolymers of cyclic ethers, such as polyalkylene glycols, polyethylene oxide, polypropylene oxide or copolymers thereof with bisglycylidyl ethers.

[00198] 13. Polyacetals, such as polyoxymethylene and those polyoxymethylenes containing ethylene oxide as a comonomer; polyacetals modified with thermoplastic polyurethanes, acrylates or MBS.

[00199] 14. Polyphenylene oxides and sulfides and mixtures of polyphenylene oxides with styrene or polyamide polymers.

[00200] 15. Polyurethanes, for example, polyurethanes synthesized from a polyol and an aliphatic or aromatic polyisocyanate, such as polyurethanes derived from polyethers, polyesters or polybutadienes with hydroxyl termination, on the one hand, and aliphatic or aromatic polyisocyanates, on the other, as well as their precursors.

[00201] Hydroxyl-terminated polyethers are known and are Petition 870250088561, dated 09 / 30 / 2025, page 86 / 121 / 97 prepared, for example, by polymerization of epoxides such as ethylene oxide, propylene oxide, butylene oxide, tetrahydrofuran, styrene oxide or epichlorohydrin with themselves, for example in the presence of BF3, or by addition reaction of these epoxides, alone or in mixture or in succession, with initial components containing reactive hydrogen atoms, such as water, alcohols, ammonia or amines, for example ethylene glycol, propylene 1,3- and 1,2-glycol, trimethylolpropane, 4,4'-dihydroxydiphenylpropane, aniline, ethanolamine or ethylenediamine. Sucrose polyethers are also suitable according to the invention. In many cases, preference is given to polyethers that predominantly (up to 90% by weight, based on all OH groups present in the polyether) contain primary OH groups.Furthermore, polyethers modified by vinyl polymers, such as those formed, for example, by the polymerization of styrene and acrylonitrile in the presence of polyethers, are suitable, as are polybutadienes containing OH groups.

[00202] In particular, a polyol compound has a molecular weight of 400 to 10000, especially 800 to 10000, and is a compound that contains several hydroxyl groups, especially containing 2 to 8 hydroxyl groups, especially 2 to 4.

[00203] Suitable polyisocyanates are aliphatic or aromatic, for example, ethylene diisocyanate, 1,4-tetramethylene diisocyanate, 1,6-hexamethylene, 1,12-dodecane diisocyanate, cyclobutane 1,3-diisocyanate, cyclohexane 1,3- and -1,4-diisocyanate and also any desired mixtures of these isomers, 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane, 2,4- and 2,6-hexahydrotoluylene diisocyanate and also any desired mixtures of these isomers, hexahydro-1,3- and / or -1,4-phenylene diisocyanate, perhydro-2,4'- and / or -4,4'-diphenylmethane diisocyanate, 1,3- and 1,4-phenylene, 2,4- and 2,6-tolylene diisocyanate, and also any desired mixtures of these isomers, 2,4'- and / or 4,4'-diphenylmethane diisocyanate, 1,5-naphthylene diisocyanate, 4,4'-triphenylmethane Petition 870250088561, dated 09 / 30 / 2025, page 87 / 121 / 97 triisocyanate, polyphenyl-polymethylene polyisocyanates obtained by condensation of aniline-formaldehyde followed by phosgenation, m- and p-isocyanatophenylsulfonyl isocyanates, perchlorinated aryl polyisocyanates, polyisocyanates containing carbodiimide groups, polyisocyanates containing allophanate groups, polyisocyanates containing isocyanurate groups, polyisocyanates containing urethane groups, polyisocyanates containing acylated urea groups, polyisocyanates containing biuret groups, polyisocyanates containing ester groups, reaction products of the aforementioned isocyanates with acetals and polyisocyanates containing polymeric fatty acid radicals.

[00204] It is also possible to use distillation residues containing an isocyanate group, as they are either dissolved in one or more of the aforementioned polyisocyanates, which are obtained in the course of the industrial preparation of isocyanates.It is also possible to use any desired mixtures of the aforementioned polyisocyanates.

[00205] 2,4- or 2,6-toluylene diisocyanate and any desired mixtures of these isomers (“TDI”), polyphenyl-polymethylene polyisocyanates as prepared by aniline-formaldehyde condensation followed by phosgenization (“crude MDI”) or polyisocyanates containing carbodiimide, urethane, allophanate, isocyanurate, urea or biuret groups (“modified polyisocyanates”) are preferred.

[00206] Polyurethanes can be homogeneous or cellular polyurethanes.

[00207] 16. Polyamides and copolyamides derived from diamines and dicarboxylic acids and / or aminocarboxylic acids or the corresponding lactams, for example, polyamide 4, polyamide 6, polyamide 6 / 6, 6 / 10, 6 / 9, 6 / 12, 4 / 6, 12 / 12, polyamide 11, polyamide 12, aromatic polyamides starting from m-xylenediamine and adipic acid; polyamides prepared from hexamethylenediamine and isophthalic and / or terephthalic acid and with or without an elastomer as a modifier, for example, poly-2,4,4-terephthalamide, Petition 870250088561, dated 09 / 30 / 2025, page 88 / 121 / 97 trimethylhexamethylene or poly-m-phenylene isophthalamide; and also block copolymers of the aforementioned polyamides with polyolefins, olefin copolymers, chemically bonded or grafted ionomers or elastomers; or with polyethers, for example, with polyethylene glycol, polypropylene glycol or polytetramethylene glycol; as well as polyamides or copolyamides modified with EPDM or ABS; and polyamides condensed during the process (RIM polyamide systems).

[00208] 17. Polyureas, polyimides, polyamideimides, polyetherimides, polyestereimides, polyhydantoins and polybenzimidazoles.

[00209] 18. Polyesters derived from dicarboxylic acids and diols and / or hydroxycarboxylic acids or the corresponding lactones or lactides, for example, poly(ethylene terephthalate), poly(butylene terephthalate), poly(1,4-dimethylolcyclohexane terephthalate), poly(alkylene naphthalate) and poly(hydroxybenzoates), as well as copoly(ether-esters) derived from hydroxyl-terminated polyethers, and also polyesters modified with polycarbonates or MBS. Copolyesters may include, for example, but are not limited to - poly(butylene succinate / terephthalate), poly(butylene adipate / terephthalate), poly(tetramethylene adipate / terephthalate), poly(butylene adipate / succinate), poly(butylene carbonate / succinate), poly(3-hydroxybutyrate / octanoate copolymer), poly(3-hydroxybutyrate / hexanoate / decanoate terpolymer).Furthermore, aliphatic polyesters may include, for example - but are not limited to - a class of poly(hydroxyalkanoates), in particular, poly(propiolactone), poly(butyrolactone), poly(pivalolactone), poly(valerolactone) and poly(caprolactone), poly(ethylene succinate), poly(propylene succinate), poly(butylene succinate), poly(hexamethylene succinate), poly(ethylene adipate, poly(propylene adipate), poly(butylene adipate), poly(hexamethylene adipate), poly(ethylene oxalate), poly(propylene oxalate, poly(butylene oxalate), poly(hexamethylene oxalate), poly(sebacate. Petition 870250088561, dated 09 / 30 / 2025, p. 89 / 121 / 97 ethylene), poly(propylene sebacate), poly(butylene sebacate) and poly(lactic acid) (PLA) and also the corresponding polyesters modified with polycarbonates or MBS. The term “polylactic acid (PLA)” designates a homopolymer of preferably poly-L-lactide and any unions thereof or alloys thereof with other polymers; a copolymer of lactic acid or lactide with other monomers, such as hydroxycarboxylic acids, such as glycolic acid, 3-hydroxybutyric acid, 4-hydroxybutyric acid, 4-hydroxyvaleric acid, 5-hydroxyvaleric acid, 6-hydroxycaproic acid and cyclic forms thereof; The terms "lactic acid" or "lactide" include L-lactic acid, D-lactic acid, mixtures and dimers thereof, that is, L-lactide, D-lactide, meso-lactide and any mixtures thereof.

[00210] 19. Polycarbonates and polyester carbonates.

[00211] 20. Polytones.

[00212] 21. Polysulfones, polyether sulfones and polyether ketones.

[00213] 22. Crosslinked polymers derived from aldehydes, on the one hand, and phenols, ureas and melamines, on the other hand, such as phenol / formaldehyde resins, urea / formaldehyde resins and melamine / formaldehyde resins.

[00214] 23. Drying and non-drying alkyd resins.

[00215] 24. Unsaturated polyester resins derived from copolyesters of saturated and unsaturated dicarboxylic acids with polyhydric alcohols and vinyl compounds as crosslinking agents and also halogen-containing modifications thereof of low flammability.

[00216] 25. Crosslinkable acrylic resins derived from substituted acrylates, for example, epoxy-acrylates, urethane-acrylates or polyester-acrylates.

[00217] 26. Alkyd resins, polyester resins and acrylate resins crosslinked with melamine resins, urea resins, isocyanates, isocyanurates, polyisocyanates or epoxy resins. Petition 870250088561, dated 09 / 30 / 2025, pages 90 / 121 / 97

[00218] 27. Crosslinked epoxy resins derived from aliphatic, cycloaliphatic, heterocyclic or aromatic glycidyl compounds, for example, products of diglycidyl ethers of bisphenol A and bisphenol F, which are crosslinked with conventional hardening agents, such as anhydrides or amines, with or without accelerators.

[00219] 28. Natural polymers, such as cellulose, rubber, gelatin and chemically modified homologous derivatives thereof, for example, cellulose acetates, cellulose propionates and cellulose butyrates or cellulose esters, such as methyl cellulose; as well as rosin and derivatives thereof.

[00220] 29. The unions of the aforementioned polymers (polyunions), for example, PP / EPDM, polyamide / EPDM or ABS, PVC / EVA, PVC / ABS, PVC / MBS, PC / ABS, PBTP / ABS, PC / ASA, PC / PBT, PVC / CPE, PVC / acrylates, POM / thermoplastic PUR, thermoplastic PC / PUR, POM / acrylate, POM / MBS, PPO / HIPS, PPO / PA 6,6 and copolymers, PA / HDPE, PA / PP, PA / PPO, PBT / PC / ABS or PBT / PET / PC.

[00221] 30. Natural and synthetic organic materials that are pure monomeric compounds or mixtures of such compounds, for example, mineral oils, animal and vegetable fats, oils and waxes, or oils, fats and waxes based on synthetic esters (for example, phthalates, adipates, phosphates or trimellitates) and also mixtures of synthetic esters with mineral oils in any weight ratios, typically those used as spinning compositions, as well as aqueous emulsions of such materials.

[00222] 31. Aqueous emulsions of natural or synthetic rubber, for example, natural latex or carboxylated styrene / butadiene copolymer latex.

[00223] At least a portion of the thermoplastic polymer may include recycled thermoplastic polymer, often referred to as recycleds. Petition 870250088561, dated 09 / 30 / 2025, pages 91 / 121 / 97

[00224] Preferably, the thermoplastic polymer is a polyolefin, more preferably a polyethylene or polypropylene, including any of the polyethylene or polypropylene polymers and copolymers described in sections 1 to 3 and 29 of the above list of thermoplastic polymers.

[00225] The method of producing the thermoplastic polymer composition, the mixture of stabilizers is incorporated into the thermoplastic polymer before or during the processing of the thermoplastic polymer.

[00226] The incorporation or application of the stabilizer mixture can be carried out in a processing apparatus, in particular a heatable vessel equipped with an agitator, which may preferably be closed. A heatable vessel equipped with an agitator is, for example, a kneader, extruder, mixer or agitator vessel. Specific examples of this are a single screw extruder, a counter-rotating and co-rotating twin screw extruder, a planetary gear extruder, a ring extruder or a reciprocating screw extruder. It is also possible to use a processing apparatus that contains at least one gas removal compartment to which a vacuum can be applied and / or that can be adjusted under an atmosphere in which the oxygen content is low or oxygen is absent, for example, under a nitrogen atmosphere. The stabilizer mixture can be added directly to the processing apparatus.

[00227] The stabilizer mixture can be incorporated or applied at any stage of the thermoplastic polymer processing. This occurs in particular before or during a thermoplastic polymer molding operation in the processing apparatus.

[00228] The stabilizer mixture can be incorporated or applied in the form of a dry powder, in the form of a molten mass, in encapsulated form, such as encapsulation in a wax or an auxiliary polymer, or in the form of a wet mixture, such as a solution, a dispersion or a Petition 870250088561, dated 09 / 30 / 2025, page 92 / 121 / 97 suspension, for example, in an inert solvent, water or oil. A dispersing or suspending agent may be present in the case of a wet mixture of the stabilizer mixture. Another form of incorporation is a granule, obtained, for example, by compacting a powder of the stabilizer mixture.

[00229] The stabilizer mixture can also be incorporated into or sprayed onto the thermoplastic polymer.

[00230] Another possibility for incorporating or applying the stabilizer mixture to the thermoplastic polymer is by adding it before, during, or directly after the polymerization of the corresponding starting materials, for example, monomers, of the thermoplastic polymer. For example, spraying during the deactivation of the polymerization catalysts is particularly advantageous. If crosslinking occurs during the formation of the thermoplastic polymer, incorporation or application before crosslinking is preferable.

[00231] The incorporation or application process is preferably a molding process, in particular injection molding, blow molding, compression molding, rotomolding, thermal spray molding or extrusion molding.

[00232] A process that includes the steps of - provision of thermoplastic polymer, and - incorporation of the stabilizer mixture into the thermoplastic polymer wherein partial or complete incorporation occurs at a temperature in the range of 135 to 350°C, preferably 150°C to 340°C, in particular 180°C to 330°C and especially 190°C to 320°C.

[00233] A process is preferred in which the stabilizer mixture is incorporated or applied in an extruder during the processing of the thermoplastic polymer, which is a polymer.

[00234] If one or more additional additives are used, the Petition 870250088561, dated 09 / 30 / 2025, page 93 / 121 / 97 The mixture of stabilizers and additional additives can be incorporated or applied to the thermoplastic polymer individually or mixed together. If desired, the individual components can be mixed together before incorporation into the thermoplastic polymer, for example, by dry bonding, compaction, fusion, encapsulation by a wax or an auxiliary polymer, or as a wet mixture in the form of solutions, dispersions or suspensions, for example, in an inert solvent, water or oil.

[00235] In a preferred embodiment, the stabilizer mixture is provided as a standard mixture. The stabilizer mixture and any one or more additional additives may also be added to the thermoplastic polymer in the form of a standard mixture ('concentrate'), which contains the stabilizer mixture, one or more additional additives, and a standard mixture polymer as an auxiliary polymer. The stabilizer mixture and any additional additive may be incorporated into the standard mixture at a concentration of, for example, 1% to 40% and preferably 2% to 20% by weight of the standard mixture. The polymer content of the standard mixture is the difference from 100% by weight of the standard mixture. The polymer of the standard mixture does not necessarily have to be the same polymer as the thermoplastic polymer.

[00236] The article, which is advantageously made of a composition comprising the thermoplastic polymer and a mixture of stabilizers, may be a molded article. Examples of molded articles are: I-1) Floating devices, maritime applications, pontoons, buoys, plastic lumber for decks, piers, boats, kayaks, oars and beach reinforcements. I-2) Automotive applications, especially bumpers, panels, batteries, front and rear trim, under-hood molding parts, rear shelf, trunk linings, interior trim, airbag covers, electronic accessory moldings (lights), sections of Petition 870250088561, dated 09 / 30 / 2025, page 94 / 121 / 97 panels, headlight lenses, instrument panel, exterior trim, upholstery, automotive lights, headlights, parking lights, taillights, brake lights, interior and exterior trim; door panels; fuel tank; front glazing; rear windows; seat backrest, exterior panels, wire insulation, profile extrusion for sealing, protective layer, pillar covers, chassis parts, exhaust systems, fuel filter / nozzle, fuel pumps, fuel tank, body side moldings, convertible tops, exterior mirrors, exterior trim, fasteners / fastening elements, front module, glass, hinges, locking systems, luggage racks / roof racks, pressed / stamped parts, seals, side impact protection, sound damping / insulating material and sunroof.

[00237] I-3) Road traffic devices, in particular signage, road marking posts, car accessories, warning triangles, medical kits, helmets, tires.

[00238] I-4) Devices for airplanes, trains, motor vehicles (cars, motorcycles, trucks) including accessories.

[00239] I-5) Devices for space applications, in particular rockets and satellites, for example, reentry shields.

[00240] I-6) Devices for architecture and design, mining applications, soundproofing systems, pedestrian refuge areas and shelters.

[00241] II-1) Household appliances, boxes and coverings in general and electrical / electronic equipment (personal computer, telephone, cell phone, printer, televisions, audio and video equipment), flower pots, satellite dish and panels.

[00242] II-2) Coating for other materials such as steel or textiles.

[00243] II-3) Devices for the electronics industry, in particular insulators for plugs, especially computer plugs, boxes for Petition 870250088561, dated 09 / 30 / 2025, page 95 / 121 / 97 electrical and electronic parts, printed circuit boards and materials for electronic data storage, such as chips, electronic cards or credit cards.

[00244] II-4) Electrical appliances, in particular washing machines, clothes dryers, ovens (microwave ovens), dishwashers, stirrers and irons.

[00245] II-5) Covers for lights (e.g., light poles, lampshades).

[00246] II-6) Applications in wires and cables (semiconductors, insulators and cable sheathing).

[00247] II-7) Aluminum foil for condensers, refrigerators, heating devices, air conditioners, electronic encapsulation, semiconductors, coffee machines and vacuum cleaners.

[00248] III-1) Technical items, such as gears, sliding connections, spacers, screws, nuts, handles and buttons.

[00249] III-2) Rotor blades, fans and vanes for windmills, solar devices, swimming pools, pool covers, pool linings, lake linings, cabinets, wardrobes, partition walls, slatted walls, folding walls, roofs, blinds (for example, roller blinds), fittings, pipe connections, sleeves and conveyor belts.

[00250] III-3) Sanitary articles, in particular shower stalls, toilet seats, lids and sinks.

[00251] III-4) Hygienic articles, in particular diapers (babies, adults with incontinence), feminine hygiene articles, shower curtains, brushes, mats, bathtubs, portable toilets, toothbrushes and urinals.

[00252] III-5) Pipes (cross-linked or not) for water, wastewater and chemicals, pipes for the protection of wires and cables, pipes for gas, oil and sewage, gutters, downpipes and drainage systems. Petition 870250088561, dated 09 / 30 / 2025, pages 96 / 121 / 97

[00253] III-6) Profiles of any geometry (glazing) and coverings.

[00254] III-7) Glass substitutes, in particular extruded or co-extruded sheets, glazing for buildings (monolithic, double or multi-walled), aircraft, schools, extruded sheets, window film for architectural glazing, trains, transport, sanitary ware and greenhouses.

[00255] III-8) Boards (walls, cut boards), extruded coating (photographic paper, tetra pack and tube coating), silos, wood substitute, plastic board, wood composites, walls, surfaces, furniture, decorative sheet, floor coverings (interior and exterior applications), paving, plank for covering muddy paths and tiles.

[00256] III-9) Intake and exhaust manifolds.

[00257] III-10) Applications in cement, concrete, composites and roofing, wall cladding and shielding, handrails, balusters, kitchen countertops, roofing, roofing sheets, tiles and waxed canvas.

[00258] IV-1) Panels (walls and cut boards), trays, artificial grass, synthetic grass (such as AstroTurf (RTM)), artificial turf for stadium arenas (athletics), artificial flooring for stadium arenas (athletics) and tapes.

[00259] IV-2) Continuous and discontinuous woven fabrics, fibers (carpets / hygienic articles / geotextiles / monofilaments; filters; wipes / curtains (blinds) / medical applications), bulk fibers (applications such as aprons / protective clothing), nets, cordage, cables, twine, ropes, filaments, seat belts, clothing, underwear, gloves; boots; rubber boots, underwear, garments, swimwear, sportswear, umbrellas (parasols, sunshades), parachutes, paragliders, sails, “balloon silk”, camping articles, tents, air mattresses, deck chairs, bulk bags and sacks. Non-woven fabrics, such as medical fabrics and related garments, industrial clothing, Petition 870250088561, dated 09 / 30 / 2025, page 97 / 121 / 97 fabrics for outdoor areas, household furniture and fabrics for construction.

[00260] IV-3) Membranes, insulation, coverings and seals for roofs, tunnels, landfills, ponds, landfills, walls, covering membranes, geomembranes, swimming pools, curtains (blackout) / sunscreens, awnings, canopies, wallpaper, food packaging and wrappings (flexible and solid), medical packaging (flexible and solid), airbags / seat belts, armrests and headrests, carpets, center console, dashboard, cockpits, door, upper console module, door trim, headliners, interior lighting, interior mirrors, luggage rack, rear luggage cover, seats, steering column, steering wheel, fabrics and trunk trim.

[00261] V) Films (packaging, disposal, lamination, agriculture and horticulture, greenhouse, mulch, tunnel, silage), bale wrapping, swimming pools, garbage bags, wallpaper, stretch film, raffia, desalination film, batteries and connectors.

[00262] VI-1) Food packaging and wrapping (flexible and solid), bottles.

[00263] VI-2) Storage systems, such as boxes (crates), suitcases, chests, household boxes, pallets, shelves, rails, screw boxes, packaging and cans.

[00264] VI-3) Cartridges, syringes, medical applications, containers for any transport, wastebaskets and bins, waste bags, bins, dust bins, garbage bags, wheeled bins, containers in general, tanks for water / wastewater / chemicals / gas / oil / gasoline / diesel; tank linings, boxes, crates, battery boxes, tubs, medical devices such as pistons, ophthalmic applications, diagnostic devices and packaging for pharmaceutical blisters.

[00265] VII-1) Extrusion coating (photographic paper, tetra pack, tube coating), household articles of any kind (by Petition 870250088561, dated 09 / 30 / 2025, page 98 / 121 / 97 example, household appliances, thermos bottle / clothes hanger), fastening systems such as plugs, cable ties, zippers, clasps, latches and snap fasteners.

[00266] VII-2) Support devices, leisure articles, such as sports and fitness equipment, gymnastic mats, ski boots, inline skates, skis, mini-skis, sports surfaces (e.g., tennis courts); screw caps, bottle and can lids and stoppers.

[00267] VII-3) Furniture in general, foam articles (cushions, shock absorbers), foams, sponges, dishcloths, doormats, garden chairs, stadium seats, tables, sofas, toys, construction kits (boards / figures / balls), toy houses, slides and toy vehicles.

[00268] VII-4) Materials for optical and magnetic data storage.

[00269] VII-5) Kitchen utensils (eating, drinking, cooking, storing).

[00270] VII-6) Cases for CDs, cassettes and video tapes; electronic articles on DVD, office supplies of any kind (ballpoint pens, stamps and ink pads, mouse, shelves, rails), bottles of any volume and content (beverages, detergents, cosmetics, including perfumes) and adhesive tapes.

[00271] VII-7) Footwear (shoes / shoe soles), insoles, gaiters, adhesives, structural adhesives, food packaging (fruit, vegetables, meat, fish), synthetic paper, bottle labels, sofas, artificial joints (human), printing plates (flexographic), printed circuit boards and display technologies.

[00272] VII-8) Loaded polymer devices (talc, chalk, porcelain clay (kaolin), wollastonite, pigments, carbon black, TiO2, mica, Petition 870250088561, dated 09 / 30 / 2025, pp. 99 / 121 / 97 nanocomposites, dolomite, silicates, glass, asbestos).

[00273] A molded article is preferred, whether it be a film, tube, profile, bottle, tank, container, or fiber. Most preferred molded articles include fabrics (fiber-based applications: continuous filaments, spunbond and meltblown fibers, including biocomponent fibers of any geometry (side-by-side, core-sheath, sea islands), with nonwoven and woven articles ranging from medical clothing, geotextiles, diapers, filters, blankets, etc.), films (primarily BOPP films); injection-molded, blow-molded, thermoformed extruded sheets, cables, etc. Particularly preferred molded articles include those items that are films or fibers.

[00274] The preferred type is a molded article, which is molded. In particular, molding is effected by injection, blow molding, compression molding, rotomolding, thermal spray molding or extrusion.

[00275] The following examples better illustrate the invention, without limiting it. Percent values ​​are percentages by weight, unless otherwise indicated. Examples Additives used in the Examples

[00276] Unless otherwise indicated, all parts and percentages are by weight. The percentage by weight (% by weight), unless otherwise indicated, is based on a complete composition free of any volatiles. The primary and secondary antioxidant ingredients are:

[00277] Compound 1: Amines, bis(hydroxy alkyl palm oil)

[00278] Compound 2: 2(3H)-Benzofuranone, 3-[2-(acetyloxy)-5(1,1,3,3-tetramethylbutyl)phenyl]-5-(1,1,3,3-tetramethylbutyl)[Formula IV-S6]

[00279] Compound 3: 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3 Petition 870250088561, dated 09 / 30 / 2025, page 100 / 121 / 97 [3,5-dimethyl-4-[[2,4,8,10-tetrakis(1,1-dimethylethyl)-12-methyl-12Hdibenzo [d,g] [1,3,2]dioxaphosphocin-6-yl]oxy]phenyl] [Formula IV-S7]

[00280] Compound 4: 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol (DL-ALPHA-Tocopherol) [Formula VII-B]

[00281] Compound 5: Mixture of 90% by weight of 5,7-di-tert-butyl-3(3,4-dimethylphenyl)-3H-benzofuran-2-one corresponding to Formula (IV-S4) and 10% by weight of 5,7-di-tert-butyl-3-(2,3-dimethylphenyl)-3H-benzofuran-2-one corresponding to Formula (IV-S5)

[00282] Compound 6: Tris-(2,4-di-tert-butylphenyl) phosphite

[00283] Compound 7: Pentaerythritol tetrakis[3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionate Example 1 Production of compounds and multi-pass extrusion:

[00284] Polypropylene HB 12XF (Polymer 1) (nominal MFI 11, manufacturer Polychim (F)) was used with a base additive package containing 0.084% tris(2,4-di-tert-butylphenyl) phosphite + 0.028% poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidinoethanol-, 1,4-butanedioic acid) + 0.15% reaction product of 1,6-hexanediamine, N,N'-bis(2,2,6,6-tetramethyl-4-piperidine-yl),2,4,6-trichloro-1,3,5-triazine, + 0.03% magnesium / aluminum-hydrotalcite.

[00285] The formulations were prepared by combining powders in a Mixaco Lab CM 12 high-speed mixer. The compounds were produced at 230°C under a nitrogen atmosphere using a Collin 25X42D twin-screw extruder. The compounds were further extruded 3 times at 280°C in a Gottfert ES 30 L / D 25 single-screw extruder.

[00286] The Melt Flow Index (MFI) was determined at 230°C with 2.16 kg in a Gottfert MI Robo (Gottfert Werkstoff Prüfmaschinen GmbH (D)) Petition 870250088561, dated 09 / 30 / 2025, pages 101 / 121 / 97 in accordance with EN ISO 1133. An increase in the Melt Flow Index indicates a reduction in the melt viscosity of the polymer; in the case of Polymer 1, it correlates with chain degradation and a reduction in the molecular weight of Polymer 1. MFI measurements serve to indicate the efficiency of additives in stabilizing the polymer. Table 1: Combinations of primary antioxidants - MFI properties after 3aextrusion Test No. Primary Antioxidants MFI (g / 10min) Comparative Test 1 0.008% of Compound 1 14.6 Comparative Test 2 0.008% of Compound 2 12.9 Comparative Test 3 0.008% of Compound 3 13.5 Inventive Test 1 0.004% of Compound 1 + 0.004% of Compound 2 13.0 Inventive Test 2 0.004% of Compound 1 + 0.004% of Compound 3 12.8 Comparative Test 4 0.008% of Compound 4 12.5 Inventive Test 3 0.004% of Compound 1 + 0.004% of Compound 4 11.8 Inventive Test 4 0.004% of Compound 2 + 0.004% of Compound 3 4 11.5 Inventive Test 5 0.004% of Compound 3 + 0.004% of Compound 4 11.2

[00287] The results show that Inventive Tests 1 to 5 with inventive stabilizer mixtures containing at least two of components (i), (ii), and (iii) as primary antioxidants provide surprisingly better overall MFI control compared to Comparative Examples with the corresponding compounds alone. Inventive Tests 2, 3, 4, and 5 all show improved MFI results compared to the corresponding MFI results for the respective individual components used in isolation. Inventive Test 1 illustrates a marked improvement in the MFI result compared to the individual use of Compound 1 and a comparable MFI result compared to Compound 2 used alone. Example 2 Production of extruded fiber yarn material:

[00288] Polymer 1 was used with a base additive package comprising 0.084% tris(2,4-di-tert-butylphenyl) phosphite + 0.028% Petition 870250088561, dated 09 / 30 / 2025, pages 102 / 121 91 / 97 poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidinoethanol-, 1,4-butanedioic acid) + 0.15% of the reaction product of 1,6-hexanediamine, N,N'-bis(2,2,6,6-tetramethyl-4-piperidine-yl), 2,4,6-trichloro-1,3,5-triazine + 0.03% magnesium / aluminum-hydrotalcite.

[00289] The formulations were prepared by combining powders in an MTI / M35 high-speed mixer.

[00290] The compounds were produced at 230°C under a nitrogen atmosphere using a Collin 25X42D twin screw extruder. The compounds were used to spin fibers in a Busschaert Spinboy II at 240°C. The fiber yarn material for MFI testing was taken before drawing and without the application of a spinning finish.

[00291] The Melt Flow Index (MFI) was determined at 230°C with 2.16 kg in a Gõttfert MI Robo (Gõttfert Werkstoff Prüfmaschinen GmbH (D)) according to EN ISO 1133.

[00292] An increase in the Melt Flow Index indicates a reduction in the melt viscosity of the polymer; in the case of Polymer 1, it correlates with chain degradation and a reduction in the molecular weight of Polymer 1. MFI measurements serve to indicate the efficiency of additives in stabilizing the polymer. Table 2: Combinations of primary antioxidants - mixtures of stabilizers containing at least two of the components (i), (ii) and (iii) according to the present invention (- MFI properties after fiber extrusion) Primary Antioxidants MH (g / 10min) Comparative Test 5 0.008% of Compound 1 19.3 Inventive Test 6 0.004% of Compound 1 + 0.004% of Compound 4 13.0 Inventive Test 7 0.004% of Compound 1 + 0.002% of Compound 3 + 0.002% of Compound 4 + 13.8 Inventive Test 8 0.004% of Compound 1 + 0.004% of Compound 3 14.6

[00293] The results showed that Inventive Tests 6 to 8 with a mixture of stabilizers in the present invention comprising at least two of the primary antioxidant components (i), (ii) and (iii) provide a Petition 870250088561, dated 09 / 30 / 2025, pp. 103 / 121 92 / 97 unexpectedly increased MFI control compared to Comparative Test 5 with Compound 1 alone. Example 3 Production of compounds and multi-pass extrusion:

[00294] Polypropylene A10TB (Polymer 2) (MFI 3 nominal, manufacturer Polychim (F)) was used with a base additive package containing 0.04% tris(2,4-di-tert-butylphenyl) phosphite + 0.03% poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidinoethanol-, 1,4-butanedioic acid) + 0.05% calcium stearate.

[00295] The formulations were prepared by combining powders in a high-speed mixer.

[00296] The compounds were produced at 250°C under a nitrogen atmosphere as the first step using a single screw extruder. The compounds were re-extruded 4 times at 250°C as per steps 2 to 5.

[00297] The Melt Flow Index (MFI) was determined at 230°C with 2.16 kg in a Gõttfert MI Robo (Gõttfert Werkstoff Prüfmaschinen GmbH (D)) according to EN ISO 1133.

[00298] An increase in the Melt Flow Index indicates a reduction in the melt viscosity of the polymer; in the case of Polymer 2, it correlates with chain degradation and a reduction in the molecular weight of Polymer 2. MFI measurements serve to indicate the efficiency of additives in stabilizing the polymer. Table 3: Combinations of primary antioxidants - MFI properties after 5a extrusion Primary Antioxidants Secondary Antioxidant MH (g / 10min) after step 5 Comparative Test 6 0.02% of Compound 6 18.1 Comparative Test 7 0.02% of Compound 1 8.0 Inventive Test 9 0.01% of Compound 1 + 0.01% of Compound 5 6.4 Comparative Test 8 0.02% of Compound 5 6.9

[00299] The results show that the Inventive Test 9 with the Petition 870250088561, dated 09 / 30 / 2025, pp. 104 / 121 / 97 mixtures of stabilizers containing at least two of the components (i), (ii) and (iii) used according to the present invention as primary antioxidants provide surprisingly improved MFI control when compared to Comparative Tests 7 and 8 with the isolated compounds and compared to Comparative Test 6 with only one secondary antioxidant. Example 4 Production of compounds and multi-pass extrusion:

[00300] Polymer 1 was used with a base additive package comprising 0.084% tris(2,4-di-tert-butylphenyl) phosphite + 0.028% poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidinoethanol-, 1,4-butanedioic acid) + 0.15% reaction product of 1,6-hexanediamine, N,N'-bis(2,2,6,6-tetramethyl-4-piperidino-yl),2,4,6-trichloro-1,3,5-triazine, + 0.03% magnesium / aluminum-hydrotalcite.

[00301] The formulations were prepared by combining powders in a Mixaco Lab CM 12 high-speed mixer. The compounds were produced at 230°C under a nitrogen atmosphere using a Collin 25X42D twin-screw extruder. The compounds were further extruded 3 times at 280°C in a Gottfert ES 30 L / D25 single-screw extruder. 2 mm thick plates were compression molded at 230°C with a compression molding time of 3 min. Color measurement:

[00302] Color measurement was performed after compression molding and after exposure to NOx gases for 24 hours with parameters defined according to AATCC 164.

[00303] The color was determined using a Datacolor 800 from Datacolor AG Europe in Switzerland according to DIN 6167. The Yellowing Index (YI) (unitless) was measured for the initial color of the plates and Delta E, measured in CIELAB units, taken as the square root of the squares of the differences in the CIELAB color coordinates L*, a* and b* at the time of Petition 870250088561, dated 09 / 30 / 2025, page 105 / 121 / 97 recall minus the zero time, as defined in ISO 11664-4, was providing information about the color change during 24 hours of gas exposure in reference to the initial value. Table 4: Combinations of primary antioxidants Yellowing Index [] & deltaE [CIELAB units] overexposure according to NOx gases for 24 hours with parameters defined according to AATCC 164. Primary Antioxidants Initial IA (measured) Delta E after 24 hours of gas fading (measured) Comparative Test 9 0.008% of Compound 1 2.9 0.22 Comparative Test 10 0.008% of Compound 2 6.7 0.88 Comparative Test 11 0.008% of Compound 3 3.1 0.26 Comparative Test 12 0.008% of Compound 4 4.2 0.34 Inventive Test 10 0.004% of Compound 1 + 0.004% of Compound 2 4.5 0.4 Inventive Test 11 0.004% of Compound 1 + 0.004% of Compound 3 2.7 0.26 Inventive Test 12 0.004% Compound 1 + 0.004% Compound 4 3.2 0.12

[00304] The results demonstrate that Inventive Tests 10, 11 & 12 with stabilizer mixtures containing at least two of the components (i), (ii) and (iii) used according to the present invention as primary antioxidants provide better YI values ​​than the YI values ​​that would be expected from the combination of the respective components.

[00305] The results also show that Inventive Test 10, employing the combination of Compound 1 and Compound 2, and Test 12, employing the combination of Compound 1 and Compound 4, presented significantly better Delta E values ​​after 24 hours of gas bleaching, when compared to what would be expected from the respective combinations of these components.

[00306] Inventive Test 11, employing a combination of Compound 1 and Compound 3, showed a comparable Delta E value after 24 hours of gas fading compared to the corresponding use of Compound 1 and Compound 3 when used individually. The test work contained herein also demonstrates that the combination of Compound 1 and Compound 3 as a stabilizer mixture at the same dose as in this test Petition 870250088561, dated 09 / 30 / 2025, pp. 106 / 121 / 97 produces an unexpectedly improved YI value and a significantly improved MFI control value. Thus, the combinations of Compounds 1 and 3 demonstrate improved overall performance. Example 5 Production of compounds and multi-pass extrusion:

[00307] Polypropylene HA 10XT (Polymer 3) (MFI 3 nominal, manufacturer Polychim (F)) was used with a base additive package containing 0.06% tris(2,4-di-tert-butylphenyl) phosphite + 0.03% calcium stearate.

[00308] The formulations were prepared by combining powders in a Mixaco Lab CM 12 high-speed mixer. The compounds were produced at 230°C under a nitrogen atmosphere using a Berstorff ZE25Ax47D twin-screw extruder. The compounds were further extruded 3 times at 280°C in a Collin E30 P 25D single-screw extruder.

[00309] The Melt Flow Index (MFI) was determined at 230°C with 2.16 kg in a Gottfert MI Robo (Gottfert Werkstoff Prüfmaschinen GmbH (D)) according to EN ISO 1133. An increase in the Melt Flow Index indicates a reduction in the melt viscosity of the polymer; in the case of Polymer 3, it correlates with chain degradation and a reduction in the molecular weight of Polymer 3. MFI measurements serve to indicate the efficiency of additives in stabilizing the polymer. Table 5: Combinations of primary antioxidants - MFI properties after 3aextrusion Test No. Primary Antioxidants MFI (g / 10min) Comparative Test 13 0.015% of Compound 1 9.9 Comparative Test 14 0.015% of Compound 5 8.9 Comparative Test 15 0.015% of Compound 4 5.7 Comparative Test 16 0.015% of Compound 7* 12.3 Inventive Test 13 0.0075% of Compound 1 + 0.0075% of Compound 5 6.9 Inventive Test 14 0.0075% of Compound 1 + 0.0075% of Compound 4 5.9 Inventive Test 15 0.0075% of Compound 5 + 0.0075% of Compound 4 5.1 *Compound 7 is a stabilizing compound commonly used in thermoplastic polymer compositions with phenol. Petition 870250088561, dated 09 / 30 / 2025, pages 107 / 121 / 97

[00310] The results show that Inventive Tests 1 to 15 with inventive stabilizer mixtures containing at least two of components (i), (ii), and (iii) as primary antioxidants provide surprisingly better MFI control behavior compared to Comparative Examples with the corresponding compounds alone. Inventive Tests 13 and 15 show improved MFI results compared to the corresponding MFI results for the respective individual components used in isolation. Inventive Test 14 illustrates a marked improvement in MFI results compared to the individual use of Compound 1 and a comparable MFI result compared to Compound 4 used alone. Example 6 Production of compounds and multi-pass extrusion:

[00311] Polyethylene MG 9641 (Polymer 4) (MFI 8 nominal, manufacturer Borealis) was used with a base additive package containing 0.05% tris(2,4-di-tert-butylphenyl) phosphite + 0.03% calcium stearate.

[00312] The formulations were prepared by combining powders in a Mixaco Lab CM 12 high-speed mixer. The compounds were produced at 220°C under a nitrogen atmosphere using a Berstorff ZE25Ax47D twin-screw extruder. The compounds were further extruded 3 times at 260°C in a Collin E30 P 25D single-screw extruder.

[00313] The Melt Flow Index (MFI) was determined at 190°C with 2.16 kg in a Gottfert MI Robo (Gottfert Werkstoff Prüfmaschinen GmbH (D)) according to EN ISO 1133. A decrease in the Melt Flow Index indicates an increase in the melt viscosity of the polymer; in the case of Polymer 4, it correlates with typical crosslinking and an increase in the molecular weight of Polymer 4. MFI measurements serve to indicate the efficiency of additives in stabilizing the polymer. In this case, it is important to prevent or reduce the Petition 870250088561, dated 09 / 30 / 2025, page 108 / 121 / 97 crosslinking of Polyethylene Polymer 4 and, therefore, the improvement in crosslinking prevention will be indicated by an increase in the MFI value. Table 6: Combinations of primary antioxidants - MFI properties after 3aextrusion Test No. Primary Antioxidants MFI (g / 10min) Comparative Test 17 0.01% of Compound 1 7.9 Comparative Test 18 0.01% of Compound 4 8.4 Comparative Test 19 0.01% of Compound 7* 7.1 Inventive Test 16 0.005% of Compound 1 + 0.005% of Compound 4 8.6

[00314] The results show that the inventive tests 16 with mixtures of stabilizers containing components (i) and (iii) as primary antioxidants provide a surprisingly improved behavior in MFI control compared to the Comparative Examples with the corresponding compounds alone. Petition 870250088561, dated 09 / 30 / 2025, pages 109 / 121

Claims

1 / 11 CLAIMS 1. Composition, characterized in that it comprises a) a thermoplastic polymer, preferably a polyolefin; and b) a mixture of stabilizers comprising at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol, (I) wherein: R3 is a substituted carbocyclic or heterocyclic aromatic ring system, R4, R5, R6 and R7 are each independently of each other, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbiloxy group, optionally containing at least one additional heteroatom; substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom;or hydrocarbilthion, optionally containing at least one additional heteroatom, wherein, when the mixture of stabilizers comprises components (i) and (ii) and / or (iii), it is present in the composition in Petition 870250088561, dated 09 / 30 / 2025, page. 110 / 121 2 / 11 quantity less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (ii) and (iii) based on the weight of the thermoplastic polymer.; 2. Composition according to claim 1, characterized in that component (i) is a hydroxylamine having the formula (II): oh (II) RR wherein R1 and R2 are each independently selected from C8-C30 alkyl groups, preferably C12-C30 alkyl groups, more preferably C16-C20 alkyl groups.

3. Composition according to claim 1, characterized in that component (i) is an amine oxide of formula (III): R8 R9---- N+--- 0 (III) ch3 wherein R8 and R9 are each selected independently from C8-C30 alkyl groups, preferably C12-C30 alkyl groups, more preferably C14-C24 alkyl groups.

4. Composition according to any of the preceding claims, characterized in that component (ii) is Petition 870250088561, dated 09 / 30 / 2025, page 111 / 121 3 / 11 a benzofuran-2-one of formula (IV): (IV) wherein R4, R5, R6 and R7 are each independently of each other, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbyloxy group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom; or hydrocarbilthio, optionally containing at least one additional heteroatom, and preferably R4, R5, R6 and R7 are each independently of each other, hydrogen or C1-C8 alkyl;R10, R11, R12, R13 and R14 are each, independently of each other, hydrogen, hydroxyl, C1-C12 alkyl, -OR15, -NR34R35 or a substituent bearing one or repeating alkylene oxide units, wherein at least one of R10, R11, R12, R13 and R14 is not hydrogen and wherein no more than one of R10, R11, R12, R13 and R14 is -OR15 or -NR34R35, where R15 is a formula group (V) or a formula group (VA) or a formula group (VI) or a formula group (VI-A), R34 is a formula group (VI-A), R35 is hydrogen or C1-C8 alkyl, the (V) Rl6 Petition 870250088561, dated 09 / 30 / 2025, p. 112 / 121 4 / 11 Rl7 R18 (VA) (VI) A comprises a C2-C20 alkylene group or a divalent oligomeric oxyalkylene radical, Z comprises a C2-C20 alkyl or a divalent oligomeric ester radical, G is a terminal group and is selected from the group consisting of hydrogen, C1-C10 alkyl, alkylcarbonyl and arylcarbonyl, R16 is a substituted or unsubstituted C1-C12 alkyl group;substituted or unsubstituted C4-C8 cycloalkyl group, substituted or unsubstituted C5-C6 aryl group, preferably substituted or not preferably substituted phenyl; R16 is C1-C12 alkyl or a phenyl group; Y is oxygen or a covalent bond; when Y is oxygen, R17 and R18 are each independently a (VI-A) radical; each R19 group or groups is / are independently C1-C8 alkyl; m is an integer from 0 to 4; Petition 870250088561, dated 09 / 30 / 2025, p. 113 / 121 5 / 11 R4', R5', Ró' and R7', each independently has the same meanings as R4, R5, Ró and R7; or R17 and R18 are, each independently of each other, aryl C1-C10, which is unsubstituted or substituted with C1-C8 alkyl, C1-C8 alkoxy, halogen or a phenyl; C1-C18 alkyl; C3-C10 cycloalkyl; C7-C13 aralkyl; C2-C18 alkenyl; C2-C30 alkyl, which is interrupted by one or more oxygen atoms; or C2-C10 alkyl, which is interrupted by a sulfur atom;or R17 together with R18 form one of the structures of formulas (VI-B), (VI-C) or (VI-D): Rb4 H Rc4 H (VI-B) (VI-C) (VI-D) Ra1, Ra2, Ra3 and Ra4 are, independently of each other, hydrogen or C1-Cs alkyl; Rb1, Rb2, Rb3, Rb4, Rb5 and Rb6 are, independently of each other, hydrogen or C1-Cs alkyl and Rc1, Rc2, Rc3 and Rc4 are, independently of each other, hydrogen or C1-Cs alkyl, when Y is a covalent bond, R17 is formula (VI-A), or Petition 870250088561, dated 09 / 30 / 2025, p. 114 / 121 6 / 11 R17 is C6-C10 aryl, which is unsubstituted or substituted with C1-Cs alkyl, C1-Cs alkoxy, halogen or a phenyl; C1-C18 alkyl; C3-C16 cycloalkyl; C7-C13 aralkyl; C2-C18 alkenyl; C2-C30 alkyl, which is interrupted by one or more oxygen atoms; or C2-C16 alkyl, which is interrupted by a sulfur atom. R18 is C6-C10 aryl, which is unsubstituted or substituted with C1-Cs alkyl, C1-Cs alkoxy, halogen or a phenyl or halogen.

5. Composition according to any of the preceding claims, characterized in that component (iii) is a cromonol of formula (VII): (VII) wherein R20 is selected from hydrogen, or an aliphatic radical having 1 to 6 carbon atoms; R21 is an organic radical having 1 to 30 carbon atoms; and R22, R23, R24 are selected independently from each other, hydrogen or C1-C4 alkyl.

6. Composition according to any of the preceding claims, characterized in that the weight ratio of (i) to (ii); (i) to (iii); or (ii) to (iii), in the stabilizer mixture, when the stabilizer mixture comprises only two of the three components (i), (ii) and (iii), is from 9:1 to 1:9, preferably from 5:1 to 1:5, more preferably from 2:1 to 1:2; and the weight ratio of (i) to (ii) to (iii), in the stabilizer mixture, when the stabilizer mixture comprises all three components (i), (ii) and (iii), is from 9:0.5:0.5 to 4.5:4.5:1, preferably of Petition 870250088561, dated 09 / 30 / 2025, p. 115 / 121 7 / 11 5:0.5:0.5 to 1:2.5:2.5, more preferably 3:1:1 to 1:1:1 7. Composition according to any of the preceding claims, characterized in that the stabilizer mixture comprises components (i) and (ii) and / or (iii) and is present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, more preferably still up to 100 ppm, by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer.

8. Composition according to any of the preceding claims, characterized in that the mixture of stabilizers additionally comprises a secondary antioxidant containing a phosphite.

9. Composition according to any of the preceding claims, characterized in that the stabilizer mixture further comprises at least one of the additives selected from the group consisting of light stabilizers, such as hindered amine light stabilizer (HALS) and acid scavengers.

10. A composition according to any of the preceding claims, characterized in that the composition is processed into a molded article.

11. Composition according to any of the preceding claims, characterized in that the polyolefin is either polypropylene or polyethylene.

12. Method for preparing the composition as defined in any one of claims 1 to 11, characterized in that it comprises the step of processing the thermoplastic polymer, preferably polyolefin, in the presence of a mixture of stabilizers, wherein the mixture of stabilizers is incorporated into or applied to the thermoplastic polymer before or during the processing of the thermoplastic polymer, wherein the mixture of stabilizers comprises at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol, (I) wherein: R3 is a substituted carbocyclic or heterocyclic aromatic ring system, R4, R5, R6 and R7 are each independently of each other hydrogen or a substituent selected from chlorine; hydroxyl;a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbyloxy group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom;or hydrocarbilthion, optionally containing at least one additional heteroatom, wherein, when the stabilizer mixture comprises components (i) and (ii) and / or (iii), it is present in the composition in an amount less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, Petition 870250088561, dated 09 / 30 / 2025, p. 117 / 121 9 / 11 wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is present in the composition in an amount of less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, more preferably still up to 100 ppm, by weight of components (ii) and (iii) based on the weight of the thermoplastic polymer.; 13. Method according to claim 12, characterized in that it includes any of the features as defined in any of claims 2 to 11.

14. Method according to claim 12 or 13, characterized in that the stabilizer mixture is provided as a standard mixture.

15. Use of a mixture of stabilizers, characterized in that it improves processability and / or reduces color formation in the processing of a thermoplastic polymer, preferably a polyolefin, wherein the mixture of stabilizers comprises at least two of the components selected from (i), (ii) and (iii), wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonanol, (I) Petition 870250088561, dated 09 / 30 / 2025, page 118 / 121 10 / 11 wherein: R3 is a substituted carbocyclic or heterocyclic aromatic ring system, R4, R5, R6 and R7 are each, independently of each other, hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbyloxy group, optionally containing at least one additional heteroatom;substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom; or hydrocarbilthio, optionally containing at least one additional heteroatom, wherein, when the stabilizer mixture comprises components (i) and (ii) and / or (iii), it is present in the composition in an amount less than 500 ppm by the combined weight of components (i) and (ii) and / or (iii) present in the stabilizer mixture based on the weight of the thermoplastic polymer, wherein, when the stabilizer mixture comprises components (ii) and (iii) without (i), it is used in an amount less than 300 ppm, desirably less than 250 ppm, preferably up to 200 ppm, more preferably up to 150 ppm, even more preferably up to 100 ppm, by weight of components (ii) and (iii) based on the weight of the thermoplastic polymer.

16. Use according to claim 15, characterized in that it includes any of the features as defined in any of claims 2 to 11 or 14.

17. Mixture of stabilizers, characterized in that it is for processing thermoplastic polymers, preferably polyolefins, the composition comprising component (i) and component (iii) and optionally component (ii), Petition 870250088561, dated 09 / 30 / 2025, page 119 / 121 11 / 11 wherein component (i) is a hydroxylamine or amine oxide; component (ii) is a benzofuran-2-one of formula (I); and component (iii) is a cromonol.(I) wherein: R3 is a substituted carbocyclic or heterocyclic aromatic ring system, R4, R5, R6 and R7 are each independently of each other hydrogen or a substituent selected from chlorine; hydroxyl; a substituted or unsubstituted hydrocarbyl group, optionally containing at least one heteroatom; a substituted or unsubstituted hydrocarbylox group, optionally containing at least one additional heteroatom; a substituted or unsubstituted cyclohydrocarbyl group, optionally containing at least one heteroatom; or hydrocarbylthion, optionally containing at least one additional heteroatom. Petition 870250088561, dated 09 / 30 / 2025, pp. 120 / 121.