Cleaning compositions comprising UV light stabilizers

Abstract

The present invention relates to liquid cleaning compositions comprising compounds of formula (I), (I) as defined herein in amounts of 0.001 to 0.4 wt.-% and water, wherein the composition comprises water in an amount of at least 50 wt.-%, preferably at least 60 % wt.-%, relative to the total weight of the composition; and / or at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or at least one non-aqueous solvent selected from the group of polyols, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases; and / or the composition has a pH value of <5.0 or >7.0, preferably <4.0 or >8.0. The present invention further relates to the use of the compounds disclosed herein a photostabilizers in liquid cleaning compositions.

Description

[0001] CLEANING COMPOSITIONS COMPRISING UV LIGHT STABILIZERS

[0002] Field of the invention

[0003] The present invention relates to liquid cleaning compositions comprising compounds of formula (I) as defined herein. The present invention further relates to the use of the compounds disclosed herein as photostabilizers in liquid cleaning compositions.

[0004] Background of the invention

[0005] UV radiation is known to not only cause harmful effects on the human skin but also to lead to the photolytic degradation of various components in complex mixtures, such as cosmetics, pharmaceuticals, food and beverages, as well as home care and cleaning compositions. Such sensitive ingredients include various colorants that have become more and more important, as they support brand recognition by consumers and avoid cross-contamination by the user in industrial and institutional cleaning applications.

[0006] To protect such UV sensitive components and ingredients in various compositions, various light stabilizing agents are known and widely used in the art. However, many of these compounds lack versatility to be used in a wide range of different compositions or have drawbacks related to toxicity, environmental considerations, and legal restrictions. Specifically, the EU ecolabel is used to assure the consumer of a non-toxic and environmentally safe product. As the EU ecolabel is a decisive factor in consumer and customer awareness, it is generally desirable to provide compositions that are non-toxic and environmentally safe which in turn requires that all ingredients are carefully selected to meet the respective legal requirements for such labeling.

[0007] Consequently, there is need in the field for UV light stabilizers that meet the strict requirements for the EU ecolabel and at the same time provide for the same or even better stabilizing effects than the currently used compounds.

[0008] The present invention meets this demand by providing liquid cleaning compositions comprising specific organic UV filter compounds as defined herein below.

[0009] Summary of the invention

[0010] The present invention is based on the finding the compounds of formula (I) as well as the salts, hydrates, tautomers, and stereoisomers thereof are particularly suitable as UV light stabilizers for liquid cleaning compositions considering their solubility, stabilizing effects, and aesthetic appearance.

[0011] In a first aspect, the present invention is thus directed to a liquid cleaning composition comprising at least one compound of formula (I) (I) or a salt, hydrate, tautomer or stereoisomer thereof; wherein

[0012] R1is -CH2OR7, -C(=O)R7, -COOR7, or a group of formula (II) each R2is independently methyl or -CH2SO3R7, wherein at least one R2is -CH2SO3R7;

[0013] R3, R4, R5and R6are independently selected from H, OH, linear or branched Ci-Cs alkyl, linear or branched Ci-Cs alkoxy, linear or branched C2-C8 alkenyl, -SO3R7, -OSO3R7, -COOR7, -OPO3(R7)2 or -PO3(R7)2, wherein each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or -NR7- groups, wherein at least one of R3, R4, R5and R6is H or Ci-Cs alkyl; each R7is independently H, linear or branched Ci-Cs alkyl, or linear or branched C2-C8 alkenyl; and each A is independently =O or -OH; in an amount of 0.001 to 0.4 wt.-%, preferably 0.01 to 0.3 wt.-%, relative to the total weight of the composition; and

[0014] (b) water, wherein

[0015] (1) the composition comprises water in an amount of at least 40 wt.-%, preferably at least 50 % wt.- %, relative to the total weight of the composition; and / or

[0016] (2) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or

[0017] (3) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or

[0018] (4) the composition further comprises at least one non-aqueous solvent, preferably selected from the group of alcohols, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or

[0019] (5) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases; and / or

[0020] (6) the composition has a pH value of <5.0 or >7.0, preferably <4.0 or >8.0.

[0021] In various embodiments, in the liquid cleaning composition the at least one compound of formula (I) is a compound wherein R1is a group of formula (II); and

[0022] (1) each A is =O;

[0023] (2) each A is -OH; or

[0024] (3) one A is =O and the other is -OH. In such embodiments,

[0025] (1) each R2may be -CH2SO3R7with R7preferably being H; and / or

[0026] (2) R3, R4, R5and R6may independently be H or Ci-Ca alkyl, preferably H or methyl, more preferably H.

[0027] In various other embodiments, in the at least one compound of formula (I),

[0028] R1is -CH2OR7, -C(=O)R7, or -COOR7with R7preferably being H,

[0029] R2is -CH2SO3R7with R7preferably being H, and

[0030] R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0031] In various embodiments, the at least one compound of formula (I) is selected from those wherein

[0032] (1) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is =O;

[0033] (2) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and one A is =O and the other is -OH;

[0034] (3) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is - OH;

[0035] (4) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and each A is =O;

[0036] (5) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and each A is -OH;

[0037] (6) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and one A is =O and the other is -OH;

[0038] (7) R1is -CH2OH, R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is =O;

[0039] (8) R1is -C(=O)H, R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is =O; or

[0040] (9) R1is -COOH, R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is =O.

[0041] In various embodiments, the at least one compound of formula (I) comprises or is Terephthalylidene-3,3'- dicamphor-10,10'-disulfonic acid (TDSA; 3,3’-(1 ,4-Phenylenedimethylidyne)bis[7,7-dimethyl-2- oxobicyclo[2.2.1]heptane-1 -methanesulfonic acid]).

[0042] In various embodiments, in particular in those where the compound of formula (I) is TDSA,

[0043] (1) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or

[0044] (2) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or

[0045] (3) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases; and / or

[0046] (4) the composition has a pH value of <5.0 or >7.0, preferably <4.0 or >8.0.

[0047] In various embodiments, in particular in those where the compound of formula (I) is TDSA,

[0048] (1) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or (2) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or

[0049] (3) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases.

[0050] The liquid cleaning composition may be a home care composition or an industrial or institutional cleaning composition, including a laundry detergent, a dishwashing detergent, a hard surface cleaning composition.

[0051] In various embodiments, the liquid cleaning composition

[0052] (1) comprises water in an amount of at least 65 wt.-% and up to 95 wt.-% relative to the total weight of the composition; and / or

[0053] (2) comprises an organic complexing agent selected from the group consisting of aminocarboxylates, preferably methyl glycine diacetic acid (MGDA) and glutamine diacetic acid (GLDA), carboxylates, preferably citrate, and phosphonates, preferably diethylenetriamine penta(methylene phosphonic acid) (DTPMP) or 1-hydroxyethane-1 ,1-diphosphonic acid (HEDP), optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or

[0054] (3) comprises at least one protease; and / or

[0055] (4) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or

[0056] (5) comprises at least one polyol, preferably glycerol and / or 1 ,2-propanediol, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or

[0057] (6) has a pH of equal to or more than 8.5 or equal to or less than 3.0.

[0058] In various embodiments, the composition

[0059] (1) comprises an organic complexing agent selected from the group consisting of aminocarboxylates, preferably methyl glycine diacetic acid (MGDA) and glutamine diacetic acid (GLDA), carboxylates, preferably citrate, and phosphonates, preferably diethylenetriamine penta(methylene phosphonic acid) (DTPMP) or 1-hydroxyethane-1 ,1-diphosphonic acid (HEDP), optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and

[0060] (2) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and, optionally, comprises at least one protease and / or has a pH of equal to or more than 8.5.

[0061] In various embodiments, the composition

[0062] (1) comprises water in an amount of at least 65 wt.-% and up to 95 wt.-% relative to the total weight of the composition; and

[0063] (2) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and

[0064] (3) has a pH of equal to or less than 3.0. The composition may further comprise another photostabilizer, for example a quencher. Such quenchers may be comprised in the composition in an amount of 0.01 wt.-% to 1 wt.-%, preferably 0.05 wt.-% to 0.3 wt.-%, based on the total weight of the composition.

[0065] In preferred embodiments, the quencher is a triplet quencher or excited state quencher, for example tris(tetramethylhydroxypiperidinol) citrate (commercially available as Tinogard® Q).

[0066] The liquid cleaning compositions may further comprise a dye, preferably selected from organic dyes, for example selected from Acid Blue 9, Acid Blue 80, Acid Red 27, Acid Red 14, Acid Red 18, Acid Red 33, Acid Yellow 73, Acid Yellow 17, Acid Yellow 23, Food Blue 5, Food Red 1 , Food Yellow 3, Food Yellow 13, Acid Red 52, Acid Green 1 , Food Green 3, and Solvent Green 7. Said dyes can be effectively protected from photolytic degradation by the compounds of formula (I).

[0067] The liquid cleaning compositions of the invention may further comprise additional ingredients, for example selected from any one or more of polymers, rheology modifiers, bittering agents, opacifiers, preservatives, and fragrances.

[0068] The compound of formula (I) used in the liquid cleaning compositions described herein may have, in various embodiments, a biodegradability of at least 20% according to OECD 301 D.

[0069] In various embodiments,

[0070] (1) the liquid cleaning composition is a laundry detergent and comprises, relative to the total weight of the composition, at least 5 wt.-% anionic surfactants and optionally nonionic surfactants;

[0071] (2) the liquid cleaning composition is a hand dishwash composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 30 wt.-% anionic and / or zwitterionic and / or nonionic surfactants;

[0072] (3) the liquid cleaning composition is an automatic dishwashing composition and comprises, relative to the total weight of the composition, at least 5 wt.-% complexing agents, preferably organic complexing agents, and at least 5 wt.-% nonionic surfactants;

[0073] (4) the liquid cleaning composition is an automatic dishwashing composition or laundry detergent composition and is provided in unit dose form, preferably in form of a pouch, wherein said pouch is made of a water-soluble or water-dispersible film;

[0074] (5) the liquid cleaning composition is a laundry detergent or an automatic dishwashing detergent and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease;

[0075] (6) the liquid cleaning composition is a rinse aid composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 40 wt.-% anionic and / or nonionic surfactants;

[0076] (7) the liquid cleaning composition is a rinse-off composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 25 wt.-% anionic and / or zwitterionic surfactants; or

[0077] (8) the liquid cleaning composition is a hard-surface cleaning composition, preferably a floor or bathroom cleaner, and comprises at least 60 wt.-% water and at least 5 wt.-% surfactants. In various embodiments, the liquid cleaning composition is a laundry detergent and comprises, relative to the total weight of the composition, at least 5 wt.-% anionic surfactants and optionally nonionic surfactants; and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease.

[0078] In various embodiments, the liquid cleaning composition is an automatic dishwashing composition and comprises, relative to the total weight of the composition, at least 5 wt.-% complexing agents, preferably organic complexing agents, and at least 5 wt.-% nonionic surfactants; and is provided in unit dose form, preferably in form of a pouch, wherein said pouch is made of a water-soluble or water-dispersible film; and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease.

[0079] In another aspect, the invention is also directed to the use of a compound of formula (I) or a salt, hydrate, tautomer or stereoisomer thereof; wherein

[0080] R1is -CH2OR7, -C(=O)R7, -COOR7, or a group of formula (II) each R2is independently methyl or -CH2SO3R7, wherein at least one R2is -CH2SO3R7;

[0081] R3, R4, R5and R6are independently selected from H, OH, linear or branched Ci-Cs alkyl, linear or branched Ci-Cs alkoxy, linear or branched C2-C8 alkenyl, -SO3R7, COOR7or -PO3(R7)2, wherein each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or - NR7- groups, wherein at least one of R3, R4, R5and R6is H or Ci-Cs alkyl; each R7is independently H, linear or branched Ci-Cs alkyl, or linear or branched C2-C8 alkenyl; and each A is independently =O or -OH; as a light stabilizer to protect other ingredients against photolytic degradation in a liquid home care or cleaning composition, wherein said liquid home care of cleaning composition comprises the at least one compound of formula (I) in amount of 0.001 to 0.4 wt.-% relative to the total weight of the composition and, optionally, has a water content of at least 50 wt.-% relative to the total weight of the composition. In such uses, the compound of formula (I) comprises or is preferably TDSA. Detailed description

[0082] Before describing embodiments of the present invention in detail, definitions important for understanding the present invention are given.

[0083] As used in this specification and in the appended claims, the singular forms of "a" and "an" also include the respective plurals unless the context clearly dictates otherwise.

[0084] In the context of the present invention, the terms "about" and "approximately" denote an interval of accuracy that a person skilled in the art will understand to still ensure the technical effect of the feature in question. The term typically indicates a deviation from the indicated numerical value of ±20%, preferably ±15%, more preferably ±10%, and even more preferably ±5%.

[0085] It is to be understood that the term "comprising" is not limiting. For the purposes of the present invention, the term "consisting of is considered to be a preferred embodiment of the term "comprising of. If hereinafter a group is defined to comprise at least a certain number of embodiments, this is meant to also encompass a group, which preferably consists of these embodiments only.

[0086] Furthermore, the terms "first", "second", "third" or "(i)", "(ii)", "(iii)", "(iv)" etc. and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and that the embodiments of the invention described herein are capable of operation in other sequences than described or illustrated herein.

[0087] As used herein the term “free of in the context that the composition of the present invention is free of a specific compound or group of compounds, which may be combined under a collective term, means that the composition does not comprise said compound or group of compounds as a purposively added component. In some instances, this may mean that they are present in an amount of less than 0.1 % by weight, preferably less than 0.05 % by weight, based on the total weight of the composition, most preferably below the detection limit or not at all. The same definition is applied for the term “does not comprise”. Furthermore, it is to be understood that the term “free of’ or “does not comprise”, in case the composition does not comprise a compound X and a compound Y means that the compositions must be free of both compounds X and Y. In other words, the composition may not contain any compound selected from X and Y. It is understood that if the composition is explicitly indicated to contain some compound with a low concentration that would fall within said definition, this compound is necessarily and purposively present so that the composition is then not “free of’ this compound.

[0088] When referring to compositions and the weight percent of the therein comprised ingredients it is to be understood that according to the present invention the overall amount of ingredients does not exceed 100% (optionally ± 1 % due to rounding). If not indicated otherwise all amounts given in percentage herein relate to the total weight of the composition. It is to be understood that this invention is not limited to the particular methodology, protocols, reagents etc. described herein as these may vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention that will be limited only by the appended claims. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art.

[0089] The term “liquid”, as used herein, relates to the state under standard conditions, i.e. at 20°C and normal pressure (1013 mbar), and covers all liquids including those that are pourable, but also relates to gels and pastes. In some embodiments, the term may cover liquids that are pourable.

[0090] In various embodiments, a "pourable liquid" refers to a liquid formulation having a viscosity of < 3.000 mPa s at 25°C at a shear rate of 20 s-1. For example, the pourable liquid has a viscosity in the range of from 200 to 2.000 mPa s, preferably from 200 to 1 .500 mPa s and most preferably from 200 to 1 .000 mPa s, at 25°C at a shear rate of 20 s-1.

[0091] In various embodiments, a "gel" refers to a transparent or translucent liquid formulation having a viscosity of > 2.000 mPa s at 25°C at a shear rate of 20 s-1. For example, the gel has a viscosity in the range of from 2.000 to about 10.000 mPa s, preferably from 5.000 to 10.000 mPa s, at 25°C and at a shear rate of 0.1 s-1.

[0092] In various embodiments, a "paste" refers to an opaque liquid formulation having a viscosity of greater than about 2.000 mPa s at 25°C and a shear rate of 20 s-1. For example, the paste has a viscosity in the range of from 3.000 to 10.000 mPa s, preferably from 5.000 to 10.000 mPa s, at 25°C at a shear rate of 0.1 s-1.

[0093] The term "compound(s) according to the invention", or "compounds of formula (I)" comprises the compound(s) as defined herein as well as a stereoisomer or tautomer thereof.

[0094] Depending on the substitution pattern, the compounds according to the invention may have one or more centres of chirality. The invention provides both the single pure enantiomers or pure diastereomers of the compounds according to the invention, and their mixtures and the use according to the invention of the pure enantiomers or pure diastereomers of the compounds according to the invention or their mixtures. Suitable compounds according to the invention also include all possible geometrical stereoisomers (cis / trans isomers or E / Z isomers) and mixtures thereof. The term "stereoisomer(s)" encompasses both optical isomers, such as enantiomers or diastereomers, the latter existing due to more than one centre of chirality in the molecule, as well as geometrical isomers (cis / trans isomers). The present invention relates to every possible stereoisomer of the compounds of formula (I), i.e. to single enantiomers or diastereomers, as well as to mixtures thereof.

[0095] The compounds of formula (I) may be amorphous or may exist in one or more different crystalline states (polymorphs) which may have different macroscopic properties such as stability or show different biological properties such as activities. The present invention relates to amorphous and crystalline compounds of formula (I), mixtures of different crystalline states of the respective compound of formula (I).

[0096] Tautomers may be formed, if a substituent is present at the compound of formula (I), which allows for the formation of tautomers such as keto-enol tautomers or the like.

[0097] Stereoisomers include the E and Z isomers of the compounds of formula (I), preferred are however the E isomers.

[0098] The organic moieties mentioned in the above definitions of the variables are collective terms for individual listings of the individual group members. The prefix Cn-Cmindicates in each case the possible number of carbon atoms in the group.

[0099] The term "alkyl" as used herein denotes in each case a straight-chain or branched alkyl group having usually from 1 to 8 carbon atoms, preferably from 1 to 4 carbon atoms. Examples of an alkyl group are methyl, ethyl, n-propyl, iso-propyl, n-butyl, 2-butyl, iso-butyl, tert-butyl, n-pentyl, 1 -methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1 -ethylpropyl, 1 ,1 -dimethylpropyl, 1 ,2-dimethylpropyl, n- hexyl, n-octyl, 2-ethylhexyl and the like. In the formula -O(Ci-Ca alkyl), the same alkyl groups may be used and form the corresponding alkoxy groups.

[0100] The term “alkenyl” as used herein correspondingly denotes in each case a straight-chain or branched alkenyl group having usually from 2 to 8 carbon atoms, preferably from 1 to 4 carbon atoms, and comprising at least one C=C double bond. Examples include, without limitation, ethenyl, 2-propenyl, 2-butenyl, and the like.

[0101] The expression that “each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or -NR7- groups” denotes in each case that a hydrogen atoms of the respective alkyl, alkoxy or alkenyl group may be replaced by hydroxy or at least two carbon atoms of the alkyl, alkenyl or alkoxy group may be separated by a -O- or -NR7- group, thus for example forming a 2- methoxyethyl group and the like. In various embodiments, if such -O- or -NR7- groups are present in the alkyl, alkenyl or alkoxy group, they are (each or in sum) present once or twice per alkyl, alkenyl or alkoxy moiety, typically only once and only one of the -O- or -NR7- groups.

[0102] When referring to the A group in formula (I), it is understood that it may be coupled to the bicyclic ring either by a single or by a double bond. If it is an =O group the respective ring carbon does not bear a further hydrogen atom. If it is an -OH group, it is understood that the ring carbon atom it is bound to further bears a hydrogen atom.

[0103] “Home care composition”, as used herein, relates to cleaning compositions used for cleaning objects, such as general cleaning compositions, laundry and dishwashing detergents and the like. More specific example include, without limitation, liquid scouring agents, glass detergents, neutral cleaners (all-purpose cleaners), acid household cleaners (bath), floor cleaners, WC cleaners, car cleaners, foam cleaners, washing, rinsing and dishwashing agents, clear rinsing agents, automatic dishwasher detergents, dishwasher machine care cleaners, shoe polishes, polishing waxes, floor detergents and polishes, metal, glass and ceramic cleaners, textile-care products, softeners, laundry detergents, agents for removing rust, color and stains (stain remover salt), furniture and multipurpose polishes and leather dressing agents (leather sprays).

[0104] Typically, household cleaning agents are aqueous or alcoholic (e.g. ethanol or isopropyl alcohol) solutions of one or more of the following components:

[0105] -anionic, nonionic, zwitterionic, amphoteric and / or cationic surfactants;

[0106] -soaps, prepared by saponification of animal and vegetable greases;

[0107] -inorganic acids, like hydrochloric acid, phosphoric acid, or sulfuric acid;

[0108] -for basic products inorganic (such as NaOH or KOH) or organic (such as ethanolamine) bases;

[0109] -abrasives for improved cleaning of surfaces,

[0110] -waxes and / or silicones for maintenance and protection of surfaces;

[0111] -polyphosphates or other complexing agents, such as phosphonates, citrate, (amino)carboxylates, in particular MGDA or GLDA, or inorganic complexing agents, such as carbonates;

[0112] -substances which eliminate hypochlorite or halogens;

[0113] -peroxides comprising bleaching activators like TAED;

[0114] -bleaches, for example percarbonates or perborates or H2O2;

[0115] -enzymes;

[0116] -in washing detergents discoloration inhibitors, soil-release compounds, grey scale inhibitors, foam inhibitors, fluorescent whitening agents;

[0117] -cleaning agents based on wax may comprise solvents selected from benzine, turpentine and / or paraffines and emulsifiers based on wax;

[0118] -inorganic builders like silicates, polyphosphates, zeolithes;

[0119] -fillers, such as sulfates;

[0120] -pigments, flakes or soluble dyes;

[0121] -perfumes;

[0122] -(additional) light stabilizers, antioxidants and chelating agents;

[0123] -bittering agents;

[0124] -polymers, such as polyethyleneimines (optionally alkoxylated, for example ethoxylated), polyacrylates, sulfopolymers, such as polyacrylates with sulfonated monomeric units; and

[0125] -rheology modifiers and thickeners.

[0126] “Industrial and institutional cleaning compositions”, as used herein, relates to cleaning compositions intended for routine cleaning of industrial, commercial, and public institutions, outside of the normal household environment. Examples include, without limitation, cleaning compositions used in industrial (manufacturing) plants, car washes, and dry cleaners.

[0127] The term “light stabilizers” as used herein refers to compounds suitable for protecting other compounds or compositions against photolytic degradation. The term “UV light stabilizer” as used herein accordingly refers to organic or inorganic compounds, which can absorb and may further reflect and scatter UV radiation and thus protect other compounds against the harmful effects of such UV radiation. The term “biodegradation” as used herein denotes that microorganism metabolize the material completely to CO2, energy, water, and biomass in an aerobic process (according to OECD guideline). If not indicated otherwise, biodegradability is assessed herein according to OECD 301 D over a time period of 28 days at 22°C.

[0128] In general, the biodegradability of an organic component can be assessed via different OECD 301 A-F measurements. With regard to the present invention it is to be understood that the biodegradability is assessed for compounds of formula (I) according to a measurement of the OECD 301 D.

[0129] Various embodiments regarding the compositions comprising compounds of formula (I) as well as the use of the compound of formula (I) as a light stabilizer are described hereinafter. It is to be understood that the preferred embodiments of the invention are preferred alone or in combination with each other.

[0130] The compounds comprised in the liquid cleaning compositions of the invention are generally compounds according to formula (I) or the corresponding salts, hydrates, tautomers or stereoisomers thereof; wherein

[0131] R1is -CH2OR7, -C(=O)R7, -COOR7, or a group of formula (II) each R2is independently methyl or -CH2SO3R7, wherein at least one R2is -CH2SO3R7;

[0132] R3, R4, R5and R6are independently selected from H, OH, linear or branched Ci-Cs alkyl, linear or branched Ci-Cs alkoxy, linear or branched C2-C8 alkenyl, -SO3R7, -OSO3R7, -COOR7, -OPO3(R7)2 or -PO3(R7)2, wherein each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or -NR7- groups, wherein at least one of R3, R4, R5and R6is H or Ci-Cs alkyl; each R7is independently H, linear or branched Ci-Cs alkyl, or linear or branched C2-C8 alkenyl; and each A is independently =O or -OH. In various embodiments, R1is a group of formula (II). In such embodiments, both R2and both A may be identical to have symmetrical substituents on the central phenyl ring. In other embodiments, A and / or R2may be different from each other.

[0133] In some embodiments where R1is of formula (II), both A are =O.

[0134] In other embodiments where R1is of formula (II), both A are -OH.

[0135] In still other embodiments where R1is of formula (II) one A is =O and the other is -OH.

[0136] In all the above embodiments, both R2may be -SO3R7with R7preferably being H.

[0137] In all the afore-mentioned embodiments, R3, R4, R5and R6may independently be H or Ci-Ca alkyl, preferably H or methyl, more preferably H.

[0138] Accordingly, the present invention covers embodiments in which R1is of formula (II), both A are =O, both R2are -CH2SO3H, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0139] Accordingly, the present invention also relates to embodiments in which R1is of formula (II), both A are -OH, both R2are -CH2SO3H, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0140] Furthermore, the present invention also relates to embodiments in which R1is of formula (II), one A is -OH and the other is =O, both R2are -CH2SO3H, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0141] In still other embodiments, R1is of formula (II), both A are =O, one R2is -CH2SO3H and the other is methyl, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0142] In still further embodiments, R1is of formula (II), both A are -OH, one R2is -CH2SO3H and the other is methyl, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

[0143] Further embodiments are those in which R1is of formula (II), one A is -OH and the other is =O, one R2is - CH2SO3H and the other is methyl, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H. In such embodiments, one bicyclic ring may carry the -OH and the -CH2SO3H group and the other the =O and the methyl group. In another such embodiment, one bicyclic ring may carry the -OH and the methyl group and the other the =O and the -CH2SO3H group.

[0144] In various other embodiments, in the at least one compound of formula (I), R1is -CH2OR7, -C(=O)R7, or -COOR7, R2is -CH2SO3R7with R7preferably being H, and

[0145] R3, R4, R5and R6are independently H or Ci-Ca alkyl, preferably H or methyl, more preferably H.

[0146] In various embodiments, the at least one compound of formula (I) is selected from those wherein

[0147] (1) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is =O;

[0148] (2) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and one A is =O and the other is -OH;

[0149] (3) R1is a group of formula (II), each R2is -CH2SO3H, R3, R4, R5and R6are H, and each A is -OH;

[0150] (4) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and each A is =O;

[0151] (5) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and each A is -OH;

[0152] (6) R1is a group of formula (II), one R2is -CH2SO3H and the other is methyl, R3, R4, R5and R6are H, and one A is =O and the other is -OH;

[0153] (7) R1is -CH2OH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is =O;

[0154] (8) R1is -C(=O)H, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is =O;

[0155] (9) R1is -COOH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is =O

[0156] (10) R1is -CH2OH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH;

[0157] (11) R1is -C(=O)H, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH; or

[0158] (12) R1is -COOH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH.

[0159] In various embodiments, the compound of formula (I) is or comprises Terephthalylidene-3,3'-dicamphor- 10, 10'-disulfonic acid (TDSA; 3,3’-(1 ,4-Phenylenedimethylidyne)bis[7,7-dimethyl-2- oxobicyclo[2.2.1]heptane-1 -methanesulfonic acid]).

[0160] In various embodiments, the compound of formula (I) is TDSA. In such embodiments, the TDSA may be the only compound according to formula (I) that is present in the composition.

[0161] In various embodiments, where the compound of formula (I) is further specified, for example to be TDSA, it is understood that the total amounts given for the totality of compounds of formula (I) in the composition still apply.

[0162] The composition can be a home care, institutional cleaning or industrial cleaning composition. In various embodiments it is a general household cleaning composition, a laundry detergent, a hand dishwashing detergent, an automatic dishwashing detergent, a liquid scouring agent, a glass cleaner, a neutral cleaner (all-purpose cleaner), an acid household cleaner (bath), a WC cleaner, a clear rinsing agent or dishwasher rinse aid, a shoe polish, a polishing wax, a floor detergent and / or polish, a metal and / or ceramic cleaner, a textile-care product, an oven (foam) cleaner, an agent for removing rust, color and / or stains, a furniture and / or multipurpose polish or a leather dressing agent (leather spray). In other embodiments, the cleaning composition is intended for routine cleaning of industrial, commercial, and public institutions, outside of the normal household environment, for example to be used in industrial (manufacturing) plants, car washes, and dry cleaners. Preferably, the compound of formula (I) is present in the liquid cleaning composition as described herein, in an amount of from 0.001 to 0.4 wt.-% or 0.01 to 0.3 wt.-%. The lower limit may be 0.002, 0.005, 0.007, 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09 or 0.1 wt.-%. The upper limit may be 0.40, 0.35, 0.30, 0.25 or 0.20 wt.-%. Preferred ranges are thus from 0.01 to 0.3 wt.-%, or from 0.02 to 0.3 wt.-%, or from 0.03 to 0.28 wt.-%, or from 0.05 to 0.25 wt.-%, or from 0.07 to 0.22 wt.-%, or from 0.08 to 0.20 wt.-%, or from 0.08 to 0.18 wt.-%, or from 0.10 to 0.15 wt.-%. All amounts given are based on the total weight of the liquid cleaning composition.

[0163] In various embodiments, the liquid cleaning compositions of the invention may comprise two or more different compounds according to formula (I) in combination. In those embodiments, the above-given concentrations apply to the totality of compounds of formula (I) in the composition.

[0164] In various embodiments, it is preferred that the composition comprises at least TDSA as a compound of formula (I). In such embodiments, the concentrations given above still relate to the total amount of compounds of formula (I) in the composition. However, these amounts also apply to the individual compounds present in the composition, such as TDSA, as long as the maximum amount given for all compounds of formula (I) is not exceeded. In various embodiments, the composition thus comprises TDSA in an amount of from 0.001 to 0.4 wt.-% or 0.01 to 0.3 wt.-%. The lower limit may be 0.002, 0.005, 0.007, 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09 or 0.1 wt.-%. The upper limit may be 0.40, 0.35, 0.30, 0.25 or 0.20 wt.-%. Preferred ranges are thus from 0.01 to 0.3 wt.-%, or from 0.02 to 0.3 wt.-%, or from 0.03 to 0.28 wt.-%, or from 0.05 to 0.25 wt.-%, or from 0.07 to 0.22 wt.-%, or from 0.08 to 0.20 wt.-%, or from 0.08 to 0.18 wt.-%, or from 0.10 to 0.15 wt.-% and is either free of other compounds of formula (I) or comprises those only in amounts that the amount of all compounds of formula (I) combined including TDSA does not exceed the given upper limit, such as 0.4 wt.% relative to the total weight of the composition.

[0165] In one embodiment of the present invention, the composition according to the present invention further comprises a photostabilizer different from those of formula (I). Photostabilizers may be used in a quantity sufficient to obtain a substantial and significant improvement in the photostability of the composition containing a compound of formula (I). This minimum quantity of photostabilizer to be used may vary depending on the starting quantity of compound of formula (I) present in the composition. It may be determined without difficulty using a conventional photostability measuring test.

[0166] In various embodiments, the additional photostabilizer different from those of formula (I) is a quencher. The quencher may be an organic molecule, for example a triplet quencher or excited state quencher. The quencher may be present in the composition in an amount of from 0.001 to 0.5 wt.-% or 0.01 to 0.3 wt.-%. The lower limit may be 0.002, 0.005, 0.007, 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09 or 0.1 wt.- %. The upper limit may be 0.50, 0.45, 0.40, 0.35, 0.30, 0.25 or 0.20 wt.-%. All amounts given are based on the total weight of the liquid cleaning composition. It may be generally preferred that the amount of such a quencher is equal to or lower than the amount of compounds of formula (I) in the composition. The term “quencher”, as used herein, relates to an organic compound that is capable of quenching, i.e. reducing the population of molecules in a triplet excited state.

[0167] In various embodiments of the present invention, the photostabilizer or quencher is selected from the group consisting of

[0168] • CAS-Regno. 444811-29-4, Propanedioic acid, [(4-hydroxy-3,5-dimethoxyphenyl)methylene]-, bis(2- ethylhexyl) ester (Oxynex ST) CAS-Regno. 477844-93-2, Octofluorene 2-phenylethylbenzoate

[0169] CAS-Regno. 127474-91-3, 2,6-Naphthalenedicarboxylic acid, bis(2-ethylhexyl) ester (Hallbrite® TQ, Corapan® TQ)

[0170] CAS-Regno. 68890-66-4, Octopirox

[0171] Tinogard® TT (INCI Tetradibutyl Pentaerithrityl Hydroxy- hydrocinnamate)

[0172] Tinogard® HS (INCI Sodium Benzotriazolyl Butylphenol Sulfonate)

[0173] Tinogard® TL (INCI Benzotriazolyl Dodecyl p-Cresol)

[0174] Phenol, 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methyl-, branched and linear

[0175] Tinogard® AS (INCI Bumetrizole)

[0176] Tris(tetramethylhydroxypiperidinol) citrate (Tinogard® Q)

[0177] Piperidinol, 1 -hydroxy-2, 2, 6, 6-tetramethyl-, 2-hydroxy-1 ,2,3-propanetricarboxylate (3:1) (salt) CAS-Regno. 1750-49-8, N-(2-Hydroxypropyl)urea

[0178] CAS-Regno. 2078-71-9, N-(2-Hydroxyethyl)urea mixture of n-butylphthalimide and isopropylphthalimide CAS-Regno. 872424-70-9

[0179] CAS-Regno. 872424-71-0

[0180] CAS-Regno. 872424-72-1

[0181] CAS-Regno. 872424-73-2

[0182] CAS-Regno.6197-30-4, Octocrylene

[0183] CAS-Regno. 118-60-5, 2-Ethylhexyl salicylate

[0184] CAS-Regno. 180898-37-7, Disodium phenyldibenzimidazoletetrasulfonate Neo Heliopan® AP or Neo-Heliopan® APC

[0185] CAS-Regno. 302776-68-7, Uvinul® A Plus

[0186] CAS-Regno.70356-09-1 , 4-tert-Butyl-4'-methoxydibenzoylmethane (Avobenzone)

[0187] Tinosorb® M (micronized CAS-Regno. 103597-45-1)

[0188] Tinosorb® S (CAS-Regno. 187393-00-6)

[0189] CAS-Regno. 88122-99-0, Ethylhexyl triazone (Octyl triazone; Uvinul® T 150)

[0190] CAS-Regno. 154702-15-5, Diethylhexyl butamidotriazone (Uvasorb® HEB)

[0191] CAS-Regno. 155633-54-8, Drometrizole trisiloxane (Mexoryl® XL) and Methoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate (MCE)

[0192] Specific examples include triplet quenchers, such as Tinogard® Q (comprising tris(tetramethylhydroxypiperidinol) citrate (also known as 4-Piperidinol, 1 -hydroxy-2, 2, 6, 6-tetramethyl-, 2- hydroxy-1 ,2,3-propanetricarboxylate (3:1) (salt) or CAS-Regno. 220410-74-2), water and ethanol). Tinogard Q is an Excited State Quencher, water soluble and is delivered in liquid formulation. Excited State Quenchers may help to prevent light induced degradation of formulations, for example in transparent packaging, and may further increase the stabilizing effect of the compounds of formula (I) in the inventive compositions. Consequently, in combination with the UV light stabilizers of formula (I) they result in highly effective stabilizer systems.

[0193] It has been found that the stabilizing effect of the compounds of formula (I) can be further increased if they are combined with a quencher as defined above, in particular a triplet quencher. Particularly preferred is the combination with Tinogard® Q. In various embodiments, the liquid cleaning composition of the invention thus comprises both, a compound of formula (I) and a quencher, preferably TDSA and T ris(tetramethylhydroxypiperidinol) citrate.

[0194] In one embodiment of the present invention, the composition according to the present invention further comprises an antioxidant, such as a phenolic or non-phenolic antioxidant. Such antioxidant may, for example, be selected from, without limitation:

[0195] • BHT (t-butyl hydroxytoluene)

[0196] • Tinogard® TT (INCI Tetradibutyl Pentaerithrityl Hydroxy-hydrocinnamate)

[0197] • Tinogard® TS (INCI Octadecyl Di-Tert-Butyl-4-Hydroxyhydrocinnamate) and

[0198] • Tinogard® DA (INCI Dilauryl Thiodipropionate)

[0199] In various embodiments, the antioxidant may be present in the composition in an amount of from 0.001 to 0.5 wt.-% or 0.01 to 0.3 wt.-%. The lower limit may be 0.002, 0.005, 0.007, 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09 or 0.1 wt.-%. The upper limit may be 0.50, 0.45, 0.40, 0.35, 0.30, 0.25 or 0.20 wt.-%. All amounts given are based on the total weight of the liquid cleaning composition. It may be generally preferred that the amount of such an antioxidant is equal to or lower than the amount of compounds of formula (I) in the composition.

[0200] The compositions of the invention further comprise water and thus may be, in various embodiments, aqueous compositions. The water content may range from 1 to 10 wt.-% relative to the total weight of the composition, for example in concentrates as they are used, for example, in pouches for laundry detergents and automatic dishwashing detergents, to high-water content compositions that contain 80 wt.-% and more water.

[0201] The water content may thus range from a lower limit such as 1 , 2, 3 or 4 wt.-% to an upper limit of 10, 11 , 12, 13, 14, 15, 16, 17, 18, 19 or 20 wt.-%, typically only up to 15 or up to 10 wt.-% for low-water content compositions. The upper limit may be even lower, such as 9, 8, 7, or 6 wt.-%. In such low water compositions, the water may be added as part of one of the components and may even be water of crystallization or residual moisture.

[0202] Alternatively, the water content may range from >20 to 99 wt.-%, for example from 25 to 95 wt.-%, 30 to 90 wt.-%, 40 to 90 wt.-%, 45 to 90 wt.-%, 50 to 90 wt.-%, 55 to 90 wt.-% or 60 to 90 wt.-%. Lower limits for such compositions that contain substantial amounts of water, including rinse aids, rinse-offs, general cleaning composition, hand dishwashing detergents, liquid laundry detergents and the like, include amounts of water of 21 , 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 , 32, 33, 34, 35, 36, 37, 38, 39, 40, 41 , 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 , 52, 53, 54, 55, 56, 57, 58, 59 or 60 wt.-% relative to the total weight of the composition. Upper limits may be 99, 98, 97, 96, 95, 94, 93, 92, 91 , 90, 89, 88, 87, 86, 85, 84, 83, 82, 81 , 80, 79, 78, 77, 76, or 75 wt.-% relative to the total weight of the composition. The water may be added together with some of the components that are provided in form of aqueous solutions or may be provided separately.

[0203] The liquid cleaning compositions may further comprise alcoholic solvents, in particular ethanol and / or isopropanol. These are typically comprised in addition to substantial amounts of water.

[0204] In various embodiments, the cleaning compositions of the invention comprise at least one surfactant. Surfactants are generally known in the art and widely used for different cleaning purposes, including household and personal cleaning compositions as well as institutional and industrial cleaning compositions.

[0205] Surfactants are amphiphilic substances which can dissolve organic, nonpolar substances in water. They cause, as a result of their specific molecular structure with at least one hydrophilic and a hydrophobic molecular moiety, a lowering of the surface tension of the water, the wetting of the skin, the facilitation of soil removal and dissolution, easy rinse-off and - if desired - foam regulation.

[0206] The surfactants used in the compositions of the invention may be anionic, nonionic, cationic, and / or amphoteric or zwitterionic surfactants. In some embodiments, the compositions may also include combinations of these classes of surfactants, in particular combinations of at least one nonionic with at least one anionic surfactant. In all embodiments disclosed herein, more than one surfactant of any type may be included, for example 2, 3, 4, 5 or more different (types of) surfactants.

[0207] In some surfactant-containing compositions, for example laundry detergents, hand dishwash detergents, shower gels, foam baths, shampoos etc. at least one anionic surfactant is preferably present.

[0208] In such embodiments, the anionic surfactant can be combined with another type of surfactant, typically with the exception of cationic surfactants, in particular nonionic or zwitterionic / ampholytic surfactants.

[0209] Non-limiting examples of anionic surfactants include sulfates and sulfonates, in particular linear alkyl benzene sulfonates (LAS), isomers of LAS, branched alkyl benzene sulfonates (BABS), phenyl alkane sulfonates, alpha-olefin sulfonates (AOS), olefin sulfonates, alkene sulfonates, alkane-2,3-diylbis(sulfates), hydroxy alkane sulfonates and disulfonates, alkyl sulfates (AS) such as sodium dodecyl sulfate (SDS), fatty alcohol sulfates (FAS), primary alcohol sulfates (PAS), alcohol ether sulfates (AES or AEOS or FES, also known as alcohol ethoxy sulfates or fatty alcohol ether sulfates), secondary alkane sulfonates (SAS), paraffin sulfonates (PS), ester sulfonates, sulfonated fatty acid glycerol esters, alpha-sulfo fatty acid methyl esters (alpha-SFMe or SES) including methyl ester sulfonate (MES), alkyl- or alkenyl succinic acid, dodecenyl / tetradecenyl succinic acid (DTSA), fatty acid derivatives of amino acids, diesters and monoesters of sulfo succinic acid, and combinations thereof. Further examples include sarcosinates, taurates, alkyl ether carboxylates, fatty acid isothionates, N-acylamino acids, for example acyl lactylates, acyl tartrates, acyl glutamates and acyl aspartates, alkyl oligoglucoside sulfates, protein fatty acid condensates (especially vegetable products based on wheat) and alkyl (ether) phosphates. One additional type of anionic surfactant that may also be used includes soaps, such as C12-C18 fatty acid soaps. All of the afore-mentioned anionic surfactants may be used individually or in combination with each other or in combination with other types of surfactants, such as nonionic surfactants or zwitterionic / ampholytic surfactants. Very commonly used anionic surfactants include, without limitation, “alkyl (ether) sulfates” and “fatty alcohol (ether) sulfates”, a well-known class of anionic surfactants of sulfated fatty alcohols and sulfated fatty alcohol ethers, in particular the ethoxylated, propoxylated or mixed ethoxylated / propoxylated ethers of fatty alcohols. Examples of such surfactants include sodium lauryl ether sulfate (SLES) and sodium lauryl sulfate (SLS or SDS). Also widely used, for example in laundry detergents, are alkyl benzene sulfonates (LAS). If the anionic surfactants comprise polyglycol ether chains, these may have a conventional homolog distribution, but preferably have a narrow homolog distribution.

[0210] Non-limiting examples of non-ionic surfactants include alcohol alkoxylates, alcohol ethoxylates (AE or AEO), alcohol propoxylates, propoxylated fatty alcohols (PFA), alkoxylated fatty acid alkyl esters, such as ethoxylated and / or propoxylated fatty acid alkyl esters, alkyl phenol ethoxylates (APE), nonyl phenol ethoxylates (NPE), optionally partially oxidized alk(en)yl polyglycosides (APG) and glucuronic acid derivatives, fatty acid N-alkylglucamides, alkoxylated amines, fatty acid monoethanolamides (FAM), fatty acid diethanol amides (FADA), ethoxylated fatty acid monoethanolamides (EFAM), propoxylated fatty acid monoethanolamides (PFAM), polyhydroxy alkyl fatty acid amides, or N-acyl / N-alkyl derivatives of glucosamine (glucamides, GA, or fatty acid glucamide, FAGA), protein hydrolysates (especially wheatbased vegetable products), polyol fatty acid esters, sugar esters, sorbitan esters, polysorbates and amine oxides, as well as products available under the trade names SPAN and TWEEN, and combinations thereof. If the nonionic surfactants contain polyglycol ether chains, they may have a conventional homolog distribution, but preferably have a narrow homolog distribution.

[0211] Preferred types of nonionic surfactants include, without limitation, alk(en)yl polyglycosides (APGs), and fatty alcohol alkoxylates, in particular ethoxylated or mixed ethoxylated and propoxylated and / or butoxy lated.

[0212] Zwitterionic surfactants refer for example to those surface-active compounds which bear at least one quaternary ammonium group and at least one -COO- or -SOs" group in the molecule. Particularly suitable zwitterionic surfactants are the betaines, such as the N-alkyl-N,N-dimethylammonium glycinates, for example cocoalkyl dimethylammonium glycinate, N-acylaminopropyl-N,N-dimethylammonium glycinates, for example cocoacylamino-propyldimethylammonium glycinate, and 2-alkyl-3-carboxymethyl-3- hydroxyethylimidazoline having in each case 8 to 18 carbon atoms in the alkyl or acyl group, and also cocoacylaminoethyl hydroxyethylcarboxymethyl glycinate. Further zwitterionic surfactants include amine oxides, such as C10-C16 alkyl dimethyl amine oxide and lauryl dimethyl amine oxide. Amine oxides are commonly used in consumer products, such as shampoos, conditioners, detergents and hard surface cleaners. Also suitable, especially as cosurfactants, are ampholytic surfactants. Ampholytic surfactants are understood to mean those surface-active compounds which, apart from a Cs-Cis-alkyl or acyl group in the molecule, contain at least one free amino group and at least one -COOH or -SO3H group and are capable of forming internal salts. Examples of suitable ampholytic surfactants are N-alkylglycines, N-alkylpropionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N- alkylamidopropyl-'glycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids having in each case about 8 to 18 carbon atoms in the alkyl group. Particularly preferred ampholytic surfactants are N-cocoalkylaminopropionate, cocoacylaminoethyl-aminopropionate and Ci2-i8-acylsarcosine.

[0213] Typical examples of amphoteric or zwitterionic surfactants are alkylbetaines, alkylamidobetaines, aminopropionates, aminoglycinates, imidazolinium betaines, sulfobetaines and amine oxides.

[0214] Cationic surfactants which can be used are especially quaternary ammonium compounds. Preference is given to ammonium halides, especially chlorides and bromides, such as alkyltrimethylammonium chlorides, dialkyldimethylammonium chlorides and trialkylmethyl-ammonium chlorides, e.g. cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, distearyldimethylammonium chloride, lauryldimethylammonium chloride, lauryldimethylbenzylammonium chloride and tricetylmethylammonium chloride. In addition, the very readily biodegradable quaternary ester compounds, for example the dialkylammonium methosulfates and methylhydroxyalkyldialkyloxyalkylammonium methosulfates sold under the trade name Stepantex® and the corresponding products of the Dehyquart® series can also be used as cationic surfactants. The term “ester quats” are generally understood to mean quaternized fatty acid triethanolamine ester salts. These are known substances which are prepared by the relevant methods of organic chemistry. Further cationic surfactants which can be used in accordance with the invention are the quaternized protein hydrolysates.

[0215] Typical examples of particularly suitable mild, i.e. particularly skin-friendly, surfactants are mono- and / or dialkyl sulfosuccinates, fatty acid isethionates, fatty acid sarcosinates, fatty acid taurides, fatty acid glutamates, a-olefinsulfonates, ether carboxylic acids, 2-sulfonated fatty acids, alkyl (poly)glycosides / - glucosides and / or mixtures thereof with alkyl oligoglucoside carboxylates, fatty acid glucamides, alkylamidobetaines, amphoacetals, protein hydrolysates, and / or protein fatty acid condensates, the latter preferably based on wheat proteins or salts thereof. These surfactants are preferred surfactants to be used in compositions of the invention, for example those that are intended for personal care.

[0216] Preferred surfactants may also generally be those that are obtainable from renewable raw materials and are readily biodegradable.

[0217] In various embodiments, the compositions of the invention include at least one surfactant. The at least one surfactant may be present in amounts of from 1 to 50 wt.-%, preferably 2 to 50 wt.-% or 5 to 50 wt.-% or 8 to 50 wt.-% or 10 to 40 wt.-% or 15 to 40 wt.-%, relative to the total weight of the composition. In various embodiments, the at least one surfactant is present in amounts of 1 to 20 or 10 to 15 wt.-%. In other embodiments, the at least one surfactant is present in amounts of at least 20, at least 25 or at least 30 wt.- %. In various embodiments, the lower limit for one type of composition may be 1 , 2, 3, 4 or 5 wt.-%, with the upper limit being 30, 29, 28, 27, 26, 25, 24, 23, 22, 21 , 20, 19, 18, 17, 16, or 15 wt.-% relative to the total weight of the composition. In other embodiments, the compositions may be highly concentrated and may comprise the at least one surfactant in an amount of at least 20 wt.-%, for example up to 50 wt.-%. In such embodiments, the lower limit may be 20, 21 , 22, 23, 24, 25, 26, 278, 28, 29 or 30 wt.-% and the upper limit may be 50, 49, 48, 47 ,46, 45, 44, 43, 42, 41 or 40 wt.-%. All the amounts given are relative to the total weight of the composition.

[0218] In such surfactant-containing compositions, at least one anionic surfactant and / or at least one nonionic surfactant is preferably present. The above given amounts relate to the total amounts of surfactants in the composition, i.e. the sum of all surfactants being contained therein.

[0219] In those compositions of the invention which are to be used as laundry detergents and / or personal care compositions, such as shampoos or soaps, typically at least one anionic surfactant is used. This may be combined, in various embodiments, with at least one nonionic or zwitterionic / ampholytic surfactant.

[0220] In those compositions of the invention which are used as general cleaning compositions or dishwashing compositions, typically at least one nonionic surfactant is comprised therein. These compositions may further comprise other types of surfactants, such as those described above. If the composition is an automatic dishwashing detergent, it may be free of anionic surfactants. In automatic dishwashing detergents, preferably low-foaming nonionic detergents are used.

[0221] In textile care compositions, such as softeners, cationic surfactants are often used.

[0222] In various embodiments, the compositions described herein may comprise at least one complexing agent. The term complexing agent, as used herein, relates to agents that are able to complex metal ions, in particular calcium and magnesium ions, but also other metal ions, such as iron or manganese. Such compounds include those that are also widely referred to as builders. The term, as used herein, also includes precipitating agents and ion exchange compounds which may form water-soluble complexes with calcium and magnesium. Such compounds are also referred to as “builders” or “building agents” herein.

[0223] The compositions of the invention may comprise at least one builder selected from non-phosphate-based builders such as sodium gluconate, citrate(s), silicate(s), carbonate(s), phosphonate(s), amino carboxylate(s), polycarboxylate(s), polysulfonate(s), and polyphosphonate(s). In one embodiment, the composition of the invention comprises a strong sequestering builder. Preferably, detergent compositions of the current invention are free from phosphate, meaning essentially free from phosphate-based builders. Herein, “essentially free from phosphate” is to be understood as meaning that the content of phosphate and polyphosphate is in sum in the range of 10 ppm to 1 % by weight, determined by gravimetry and referring to the respective inventive detergent composition. In other less preferred embodiments, the complexing agent may also be a phosphate, such as tripolyphosphate (TPP). Phosphate-free does however not exclude the presence of phosphonates. In one embodiment, the compositions of the invention may comprise at least one “citrate” selected from the mono- and the dialkali metal salts and in particular the mono- and preferably the trisodium salt of citric acid, ammonium or substituted ammonium salts of citric acid as well as citric acid as such. Citrate can be used as the anhydrous compound or as the hydrate, for example as sodium citrate dihydrate. The citrate may be comprised in a total amount in the range of 0% to about 20% by weight, in the range of about 0.5% to about 10% by weight, or in the range of 1-5% by weight, all relative to the total weight of the composition. In one embodiment, the composition of the invention comprises a total amount of citrate in the range of about 1- 3% relative to the total weight of the composition.

[0224] The compositions of the invention may comprise one or more silicates. “Silicate(s)” in the context of the present invention include in particular sodium disilicate and sodium metasilicate, aluminosilicates such as sodium aluminosilicates like zeolith A (i.e. Nai2(AIO2)i2(SiO2)i2*27H2O), and sheet silicates, in particular those of the formula alpha-Na2Si2C>5, beta-Na2Si2C>5, and delta-Na2Si2C>5.

[0225] The compositions of the invention may comprise one or more carbonates. The term “carbonate(s)” includes alkali metal carbonates and alkali metal hydrogen carbonates, preferred are the sodium salts. Particularly suitable is sodium carbonate (Na2CC>3).

[0226] The compositions of the invention may comprise one or more phosphonates. “Phosphonates” include, but are not limited to 2-phosphinobutane-1 ,2,4-tricarboxylic acid (PBTC); ethylenediaminetetra(methylenephosphonic acid) (EDTMPA); 1-hydroxyethane-1 ,1-diphosphonic acid (HEDP), CH2C(OH)[PO(OH)2]2; aminotris(methylenephosphonic acid) (ATMP), N[CH2PO(OH)2]3; hexamethylenediamine(tetramethylenephosphonate), potassium salt, CioH(28-x)N2KxOi2P4 (x=6); and bis(hexamethylene)triamine(pentamethylenephosphonic acid), (HO2)POCH2N[(CH2)2N[CH2PO(OH)2]2]2. Salts thereof may be suitable, too. In some preferred embodiments, the composition comprises a phosphonate, wherein the phosphonate is preferably DTPMP and / or HEDP.

[0227] In some embodiments, the composition of the invention comprises at least one phosphonate, for example selected from DTPMP and HEDP, in amounts in the range of 0.1 % to 25.0% by weight, in the range of 1.0% to 18.0% by weight, in the range of 2.0% to 15.0% by weight, in the range of 2.5 % to 10.0% by weight, or in the range of 3.0% to 8.0% by weight relative to the total weight of the detergent composition.

[0228] The compositions of the invention may comprise one or more aminocarboxylates. Non-limiting examples of suitable “amino carboxylates” include, but are not limited to: diethanol glycine (DEG), dimethylglycine (DMG), nitrilotriacetic acid (NTA), N-hydroxyethylaminodiacetic acid, ethylenediaminetetraacetic acid (EDTA), N-(2hydroxyethyl)iminodiacetic acid (HEIDA), hydroxy ethylenediaminetriacetic acid, N- hydroxyethyl-ethylenediaminetriacetic acid (HEDTA), hydroxy ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid (DTPA), and methylglycine diacetic acid (MGDA), glutamic acid-diacetic acid (GLDA), iminodisuccinic acid (IDS), hydroxyiminodisuccinic acid, ethylenediaminedisuccinic acid (EDDS), aspartic acid-diacetic acid, and alkali metal salts or ammonium salts thereof. Further suitable are aspartic acid-N-monoacetic acid (ASMA), aspartic acid-N,N-diacetic acid (ASDA), aspartic acid-N- monopropionic acid (ASMP), N-(2-sulfomethyl) aspartic acid (SMAS), N-(2-sulfoethyl) aspartic acid (SEAS), N-(2-sulfomethyl) glutamic acid (SMGL), N-(2-sulfoethyl) glutamic acid (SEGL), N- methyliminodiacetic acid (MIDA), alpha-alanine-N,N-diacetic acid (alpha-ALDA), serine-N,N-diacetic acid (SEDA), isoserine-N,N-diacetic acid (ISDA), phenylalanine-N,N-diacetic acid (PHDA), anthranilic acid-N,N- diacetic acid (ANDA), sulfanilic acid-N,N-diacetic acid (SLDA), taurine-N,N-diacetic acid (TUDA) and sulfomethyl-N,N-diacetic acid (SMDA) and alkali metal salts or ammonium salts thereof. Preferred are MGDA or EDDS. The term “ammonium salts” as used in in this context refers to salts with at least one cation that bears a nitrogen atom that is permanently or temporarily quaternized. Examples of cations that bear at least one nitrogen atom that is permanently quaternized include tetramethylammonium, tetraethylammonium, dimethyl diethyl ammonium, and n-Cio-C2o-alkyl trimethyl ammonium. Examples of cations that bear at least one nitrogen atom that is temporarily quaternized include protonated amines and ammonia, such as monomethyl ammonium, dimethyl ammonium, trimethyl ammonium, monoethyl ammonium, diethyl ammonium, triethyl ammonium, n-Cio-C2o-alkyl dimethyl ammonium 2- hydroxyethylammonium, bis(2-hydroxyethyl) ammonium, tris(2-hydroxyethyl)ammonium, N-methyl 2- hydroxyethyl ammonium, N,N-dimethyl-2-hydroxyethylammonium, and especially NHT. In one embodiment, detergent compositions of the invention comprise more than one builder. Preferably, inventive compositions contain less than 0.2% by weight of nitrilotriacetic acid (NTA), or 0.01 to 0.1 % NTA by weight relative to the total weight of the detergent composition.

[0229] In some embodiments, the composition of the invention comprises at least one aminocarboxylate selected from methylglycine diacetate (MGDA), glutamic acid diacetate (GLDA), and the respective salts thereof, e.g., alkali (such as sodium) salts thereof in amounts in the range of 0.1 % to 25.0% by weight, in the range of 1.0% to 18.0% by weight, in the range of 3.0% to 15.0% by weight, in the range of 3.0% to 10.0% by weight, or in the range of 5.0% to 8.0% by weight relative to the total weight of the detergent composition. Particularly preferred are compositions that comprise MGDA as the complexing agent.

[0230] Generally, the total amount of complexing agent may range from 0.1 to 30 wt.-%, for example 0.5 to 25 wt.-% or 1 to 20 wt.-%, relative to the total weight of the composition. In some embodiments, the amount is at least 5 wt.-%, or at least 6, 7, 8, 9, or 10 wt.-%, relative to the total weight of the composition. The complexing agents used may include combinations of organic complexing agents such as aminocarboxylates, for example MGDA, with citrate and / or phosphonates. The complexing agents used may include combinations of organic and inorganic complexing agents such as aminocarboxylates, for example MGDA, and carbonates or citrate and carbonates or phosphonates and carbonates.

[0231] The compositions of the invention may comprise at least one non-aqueous solvent, for example at least one alcohol. The alcohol may be a mono- or polyalcohol (polyol) and may be a hydrotrope. In various embodiments where a polyol is used, the polyol is a polyalcohol without any other functionalities, such as carboxy or aldehyde groups. The alcohol may, in various embodiments, be selected from ethanol, isopropanol, ethylene glycol, 1 ,2-propylene glycol, and glycerol. In some embodiments, the composition of the invention comprises 1 ,2-propylene glycol and / or glycerol in a total amount in the range of at least 5 wt.- %, for example 5-10 wt.-%, relative to the total weight of the composition.

[0232] The compositions described herein may comprise an enzyme, for example a detersive enzyme. Suitable enzymes may be selected from proteases, amylases, lipases, cellulases, mannanases, hemicellulases, phospholipases, esterases, pectinases, lactases, peroxidases, xylanases, cutinases, pectate lyases, keratinases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, beta-glucanases, arabinosidases, hyaluronidases, chondroitinases, laccases, nucleases, DNases, phosphodiesterases, phytases, carbohydrases, galactanases, xanthanases, xyloglucanases, oxidoreductases, perhydrolases, aminopeptidases, asparaginases, carbohydrases, carboxypeptidases, catalases, chitinases, cyclodextrin glycosyltransferases, alpha-galactosidases, betagalactosidases, glucoamylases, alpha-glucosidases, beta-glucosidases, invertases, ribonucleases, transglutaminases, and dispersins, and combinations of at least two of the foregoing types. Preferably, the enzyme is selected from the group consisting of proteases, amylases, lipases, and cellulases and combinations of at least two of the foregoing types. In various embodiments, the composition comprises at least one protease.

[0233] In various embodiments, the compositions of the invention have a pH value of either below 5.0 or of above 7.0. This means that the compositions may be acidic cleaning compositions, such as bathroom cleaners, with a pH of below 4.0, such as 3.5 or 3.0 or lower. The lower limit may be 0 or 1 .0. In other embodiments, the cleaning compositions are alkaline cleaning compositions and have a pH of greater than 7.0, for example 7.5 and more, 8.0 and more, or 8.5 an more. The upper limit may be 12.5 or 12.0 or 11 .5. Alkaline cleaning compositions of this type include laundry detergents and automatic dishwash detergents. In some embodiments, the cleaning composition has a pH of 8.5 or more. The pH may be determined directly in the liquid composition or may be determined in an 1 % solution in deionized water at 20°C.

[0234] The cleaning compositions of the invention may further comprise a dye or colorant. Said dyes may be stabilized by the presence of the compounds of formula (I) against light-induced degradation, in particular UV-light induced degradation. The dye may, without limitation, be selected from organic dyes, for example selected from Acid Blue 9, Acid Blue 80, Acid Red 27, Acid Red 14, Acid Red 18, Acid Red 33, Acid Yellow 73, Acid Yellow 17, Acid Yellow 23, Food Blue 5, Food Red 1 , Food Yellow 3, Food Yellow 13, Acid Red 52, Acid Green 1 , Food Green 3, and Solvent Green 7.

[0235] The liquid cleaning compositions described herein may further comprise any one or more of additional components, for example selected from polymers, rheology modifiers, bittering agents, opacifiers, such as pearlescent agents (pearlizers), preservatives, and fragrances.

[0236] In one embodiment, the composition comprises at least one preservative. Preferably, preservative means substances that are added to a liquid composition for the purpose of preservation. In one embodiment, the preservative is selected from the group consisting of 2-phenoxyethanol, glutaraldehyde, 2-bromo-2- nitropropane-1 ,3-diol, and formic acid in acid form or as its salt, and 4,4’-dichloro 2-hydroxydiphenylether. Usually, the liquid compositions of the invention comprise at least one preservative in amounts below 10 ppm, such as in amounts ranging from 2 ppm to 5% by weight relative to the total weight of the liquid composition.

[0237] In one embodiment, the cleaning compositions include a fragrance or perfume, which may be a single fragrance compound or, more typically, a combination of fragrances. Exemplary fragrances include, without limitation, those selected from the group consisting of limonene, citral, linalool, alpha-isomethylionon, geraniol, citronellol, 2-isobutyl-4-hydroxy-4-methyltetrahydropyrane, 2-tert. -pentylcyclohexylacetate, 3- methyl-5-phenyl-1 -pentanol, 7-acetyl-1 ,1 ,3,4,4, 6-hexamethyltetraline, adipine acid diester, alpha- amylcinnamaldehyde, alpha-methylionon, amyl C butylphenylmehtylpropionalcinnamal, amylsalicylate, amylcinnamylalcohol, anisalcohol, benzoin, benzylalcohol, benzylbenzoate, benzylcinnamate, benzylsalicylate, bergamot oil, bitter orange oil, butylphenylmethylpropioal, cardamom oil, cedrol, cinnamal, cinnamylalcohol, citronnellylmethylcrotonate, lemon oil, coumarin, diethylsuccinate, ethyllinalool, eugenol, evernia furfuracea extracte, evernia prunastri extracte, farensol, guajak wood oil, hexylcinnamal, hexylcalicylate, hydroxycitronellal, lavender oil, lemon oil, linaylacetate, mandarine oil, menthyl PCA, methylheptenone, nutmeg oil, rosemary oil, sweet orange oil, terpineol, tonka bean oil, triethylcitrate, vanillin and combinations thereof.

[0238] In some embodiments, the at least one compound of formula (I) has a biodegradability of at least 20%, at least 25%, at least 30% or at least 35% according to OECD 301 D. The compositions may comprise additional ingredients that have a similar biodegradability. These compounds may be selected from those disclosed herein as potential further ingredients of the liquid cleaning compositions.

[0239] In various embodiments, the liquid cleaning composition is a laundry detergent and comprises, relative to the total weight of the composition, at least 5 wt.-% anionic surfactants and optionally nonionic surfactants. The total surfactant content of such laundry detergent may be at least 10, at least 15 or at least 20 wt.-%. Typically anionic surfactants included in such compositions include, without limitation, linear alkyl benzene sulfonates (LAS) and fatty alcohol ether sulfates (FAEOS). Liquid laundry detergents commonly also comprise complexing agents, as defined herein above, in particular organic complexing agents, such as citrate, phosphonates and aminocarboxylates as well as one or more detersive enzymes, in particular proteases and / or amylases. Complexing agents may be comprised in amounts of 5 wt.-% and more.

[0240] In various other embodiments, the liquid cleaning composition is a hand dishwash composition and comprises, relative to the total weight of the composition, at least 50 wt.-% water, preferably at least 60 wt.- % water, and 1 to 30 wt.-% anionic and / or zwitterionic and / or nonionic surfactants. Hand dishwash compositions typically comprise anionic surfactants, such as fatty alcohol ether sulfates and zwitterionic surfactants, such as betaines, but also nonionic surfactants, such as alkylpolyglycosides (APGs).

[0241] In various embodiments, the liquid cleaning composition is an automatic dishwashing composition and comprises, relative to the total weight of the composition, at least 5 wt.-% complexing agents, preferably organic complexing agents, and at least 5 wt.-% nonionic surfactants. Automatic dishwashing detergents (ADW detergents) typically comprise nonionic surfactants, such as fatty alcohol alkoxylates, in particular low or non-foaming surfactants. Often used are mixed ethoxylated / propoxylated fatty alcohols. The total amount of surfactants may be at least 10 wt.-%. ADW detergents typically also comprise detersive enzymes, in particular proteases and / or amylases, but also lipases.

[0242] In various embodiments, the liquid cleaning composition is an automatic dishwashing composition or laundry detergent composition and is provided in unit dose form, preferably in form of a pouch, wherein said pouch is made of a water-soluble or water-dispersible film. Said films are known in the art and are typically based on polyvinyl alcohol (PVA). ADW compositions in a pouch often comprise at least 10 wt.-% or at least 15 wt.-% complexing agent and at least 15 wt.-% surfactant, in particular nonionic surfactant. It is understood that in such embodiments, the water content in the composition is comparably low, i.e. the composition is a low water content composition, as defined herein, and optionally comprises water in an amount of up to 6 wt.-%, preferably of up to 4.5 wt.-%. The water may, in such embodiments, not be free water, but may be present as water of crystallization / hydrate water.

[0243] In various embodiments, the liquid cleaning composition is a laundry detergent or an automatic dishwashing detergent and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease.

[0244] In various embodiments, the liquid cleaning composition is a rinse aid composition and comprises, relative to the total weight of the composition, at least 50 wt.-% water, preferably at least 60 wt.-% water, and 1 to 40 wt.-% anionic and / or nonionic surfactants.

[0245] In various embodiments, the liquid cleaning composition is a rinse off composition, including shower gels and shampoos and conditioners, and comprises, relative to the total weight of the composition, at least 50 wt.-% water, preferably at least 60 wt.-% water, and 1 to 10 wt.-% anionic and / or nonionic and / or zwitterionic and / or cationic surfactants.

[0246] In various embodiments, the liquid cleaning composition is a hard-surface cleaning composition, preferably a floor or bathroom cleaner, and comprises at least 60 wt.-% water and at least 5 wt.-% surfactants. Depending on the purpose, the pH may be low, for example 3.0 and less, or high, for example 8.5 and more, such as 9.0 and more.

[0247] In various embodiments, the liquid cleaning composition is a hand soap and comprises at least 50 wt.-% water, preferably at least 60 wt.-% water, and at least 5 wt.-% surfactants, preferably at least 10 wt.-% surfactants.

[0248] In various embodiments, the liquid cleaning composition is selected from any of the following compositions (a.m. = active matter). It is understood that the exemplary commercial products are given as examples for suitable components only. All percentages given are active matter relative to the total weight of the composition.

[0249]

[0250] Also encompassed by the invention is the use of the compounds of formula (I) as described herein as a light stabilizer to protect ingredients comprised in home care, institutional and industrial cleaning compositions against photolytic degradation.

[0251] The invention thus also features methods for protecting ingredients of such a home care, institutional and industrial cleaning composition against photolytic degradation by adding a compound of formula (I) to said composition.

[0252] It is to be understood that the above embodiments of the compositions are also applicable for the uses and methods according to the present invention, and vice versa.

[0253] The present invention is further illustrated by the following non-limiting examples.

[0254] Examples

[0255] To evaluate the stability of the formulations, the formulations with and without the stabilizers described herein (specified in tables 1-3 below) were respectively filled in 30 ml glass scintillation flasks and irradiated with 55 W / m2at 23°C in an UV-irradiation device (Atlas Suntest XXL+ from Atlas Material Testing Technology GmbH, Germany).

[0256] Pictures of the samples were taken (with digital camera or Mach 5+ from Colour Consult b.v., Beverwijk, Netherlands) every hour and the color change was determined by measuring the change of the grey value or the Delta E.

[0257] The stability in hours was determined by recording the time point when the change was more than 15% of the initial grey value (reduction) or 15% of the Delta E between the lower and upper asymptote, obtained from the five parameters logistic curve.

[0258] Tables 1-4 show the results in terms of the time (in hours) until the above-described color change first occurred.

[0259] The following formulations (with the exception of RA1 , WC1 and CIP1) were tested with various colorants and stabilizer combinations (all values given in the tables are wt.-% of the respective product relative to the total weight of the composition unless otherwise indicated). All exemplary formulations disclosed below form part of the invention.

[0260] Results are shown in Tables 1-4 below. Table 1 - Color change

[0261]

[0262] Table 2 - Color change

[0263] Table 3 - Color change

[0264] Table 4 - Color change

[0265] The results show that incorporation of the stabilizer compounds can significantly reduce degradation of the colorant.

Claims

Claims1. Liquid cleaning composition comprising(a) at least one compound of formula (I)or a salt, hydrate, tautomer or stereoisomer thereof; whereinR1is -CH2OR7, -C(=O)R7, -COOR7, or a group of formula (II)each R2is independently methyl or -CH2SO3R7, wherein at least one R2is - CH2SO3R7;R3, R4, R5and R6are independently selected from H, OH, linear or branched Ci-Cs alkyl, linear or branched Ci-Cs alkoxy, linear or branched C2-C8 alkenyl, -SO3R7, -OSO3R7, -COOR7, -OPO3(R7)2 or - PO3(R7)2, wherein each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or -NR7- groups, wherein at least one of R3, R4, R5and R6is H or Ci-Cs alkyl; each R7is independently H, linear or branched Ci-Cs alkyl, or linear or branched C2-C8 alkenyl; and each A is independently =O or -OH in an amount of 0.001 to 0.4 wt.-%, preferably 0.01 to 0.3 wt.-%, relative to the total weight of the composition; and(b) water, wherein(1) the composition comprises water in an amount of at least 40 wt.-%, preferably at least 50 % wt.- %, relative to the total weight of the composition; and / or(2) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or(3) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or(4) the composition further comprises at least one non-aqueous solvent, preferably selected from the group of alcohols, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or(5) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases; and / or(6) the composition has a pH value of <5.0 or >7.0, preferably <4.0 or >8.0.

2. The liquid cleaning composition according to claim 1 , wherein, in the at least one compound of formula (I), R1is a group of formula (II); and(1) each A is =O;(2) each A is -OH; or(3) one A is =O and the other is -OH.

3. The liquid cleaning composition according to claim 2, wherein in the at least one compound of formula (I)(1) each R2is - CH2SO3R7with R7preferably being H; and / or(2) R3, R4, R5and R6are independently H or Ci-Ca alkyl, preferably H or methyl, more preferably H.

4. The liquid cleaning composition according to claim 1 , wherein, in the at least one compound of formula (I), R1is -CH2OR7, -C(=O)R7, or -COOR7with R7preferably being H, R2is -CH2SO3R7with R7preferably being H, and R3, R4, R5and R6are independently H or Ci-Cs alkyl, preferably H or methyl, more preferably H.

5. The liquid cleaning composition according to any one of claims 1 to 4, wherein in the at least one compound of formula (I)(1) R1is a group of formula (II), each R2is -CH2SO3R7, R3, R4, R5and R6are H, and each A is =O;(2) R1is a group of formula (II), each R2is -CH2SO3R7, R3, R4, R5and R6are H, and one A is =O and the other is -OH;(3) R1is a group of formula (II), each R2is -CH2SO3R7, R3, R4, R5and R6are H, and each A is - OH;(4) R1is a group of formula (II), one R2is -CH2SO3R7and the other is methyl, R3, R4, R5and R6are H, and each A is =O;(5) R1is a group of formula (II), one R2is -CH2SO3R7and the other is methyl, R3, R4, R5and R6are H, and each A is -OH;(6) R1is a group of formula (II), one R2is -CH2SO3R7and the other is methyl, R3, R4, R5and R6are H, and one A is =O and the other is -OH;(7) R1is -CH2OH, R2is -CH2SO3R7, R3, R4, R5and R6are H, and each A is =O;(8) R1is -C(=O)H, R2is -CH2SO3R7, R3, R4, R5and R6are H, and each A is =O; or(9) R1is -COOH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is =O(10) R1is -CH2OH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH;(11) R1is -C(=O)H, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH; or(12) R1is -COOH, R2is -CH2SO3H, R3, R4, R5and R6are H, and A is -OH.

6. The liquid cleaning composition according to any one of claims 1 to 3 and 5, wherein the at least one compound of formula (I) is or comprises Terephthalylidene-3,3'-dicamphor-10,10'-disulfonic acid (TDSA).

7. The liquid cleaning composition according to any one of claims 1 to 6, wherein(1) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or(2) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or(3) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases; and / or(4) the composition has a pH value of <5.0 or >7.0, preferably <4.0 or >8.0, wherein preferably(5) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or(6) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or(7) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases.

8. The liquid cleaning composition according to any one of claims 1 to 6, wherein the at least one compound of formula (I) is Terephthalylidene-3,3'-dicamphor-10,10'-disulfonic acid (TDSA) and wherein(1) the composition further comprises at least one surfactant in an amount of at least 20 wt.-% relative to the total weight of the composition; and / or(2) the composition further comprises at least one complexing agent, preferably in an amount of at least 5 wt.-% relative to the total weight of the composition; and / or(3) the composition further comprises a detersive enzyme, preferably selected from the group consisting of proteases, amylases, lipases, and cellulases.

9. The liquid cleaning composition according to any one of claims 1 to 8, wherein the composition is a home care compositions or an institutional or industrial cleaning composition, preferably a laundry detergent, a dishwashing detergent, or a hard surface cleaning composition.

10. The liquid cleaning composition according to any one of claims 1 to 9, wherein the composition(1) comprises water in an amount of at least 65 wt.-% and up to 95 wt.-% relative to the total weight of the composition; and / or(2) comprises an organic complexing agent selected from the group consisting of aminocarboxylates, preferably methyl glycine diacetic acid (MGDA) and glutamine diacetic acid (GLDA), carboxylates, preferably citrate, and phosphonates, preferably diethylenetriamine penta(methylene phosphonic acid) (DTPMP) or 1-hydroxyethane-1 ,1-diphosphonic acid (HEDP), optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or(3) comprises at least one protease; and / or(4) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or(5) comprises at least one polyol, preferably glycerol and / or 1 ,2-propanediol, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and / or(6) has a pH of equal to or more than 8.5 or equal to and less than 3.0.11 . The liquid cleaning composition according to any one of claims 1 to 10, wherein the composition(1) comprises an organic complexing agent selected from the group consisting of aminocarboxylates, preferably methyl glycine diacetic acid (MGDA) and glutamine diacetic acid (GLDA), carboxylates, preferably citrate, and phosphonates, preferably diethylenetriamine penta(methylene phosphonic acid) (DTPMP) or 1-hydroxyethane-1 ,1-diphosphonic acid (HEDP), optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and(2) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and, optionally, comprises at least one protease and / or has a pH of equal to or more than 8.5.

12. The liquid cleaning composition according to any one of claims 1 to 9, wherein the composition(1) comprises water in an amount of at least 65 wt.-% and up to 95 wt.-% relative to the total weight of the composition; and(2) comprises at least one nonionic surfactant or at least one anionic surfactant, preferably at least one nonionic surfactant, optionally in an amount of at least 5 wt.% relative to the total weight of the composition; and(3) has a pH of equal to or less than 3.0.

13. The liquid cleaning composition or use according to any one of claims 1 to 7, wherein the composition further comprises a photostabilizer different from those of formula (I), preferably an organic triplet or excited state quencher.

14. The liquid cleaning composition according to claim 13, wherein the quencher is comprised in the composition in an amount of 0.01 wt.-% to 1 wt.-%, preferably 0.05 wt.-% to 0.3 wt.-%, based on the total weight of the composition.

15. The liquid cleaning composition according to claim 13 or 14, wherein the quencher is a triplet quencher, preferably tris(tetramethylhydroxypiperidinol) citrate.

16. The liquid cleaning composition according to any one of claims 1 to 15, further comprising a dye, preferably selected from organic dyes, for example selected from Acid Blue 9, Acid Blue 80, Acid Red 27, Acid Red 14, Acid Red 18, Acid Red 33, Acid Yellow 73, Acid Yellow 17, Acid Yellow 23, Food Blue 5,Food Red 1 , Food Yellow 3, Food Yellow 13, Acid Red 52, Acid Green 1 , Food Green 3, and SolventGreen 7.

17. The liquid cleaning composition to any one of claims 1 to 16, further comprising any one or more of polymers, rheology modifiers, bittering agents, opacifiers, preservatives, and fragrances.

18. The liquid cleaning composition according to any one of claims 1 to 17, wherein the at least one compound of formula (I) has a biodegradability of at least 20% according to OECD 301 D.

19. The liquid cleaning composition according to any one of claims 1 to 18, wherein(1) the liquid cleaning composition is a laundry detergent and comprises, relative to the total weight of the composition, at least 5 wt.-% anionic surfactants and optionally nonionic surfactants;(2) the liquid cleaning composition is a hand dishwash composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 30 wt.-% anionic and / or zwitterionic and / or nonionic surfactants;(3) the liquid cleaning composition is an automatic dishwashing composition and comprises, relative to the total weight of the composition, at least 5 wt.-% complexing agents, preferably organic complexing agents, and at least 5 wt.-% nonionic surfactants;(4) the liquid cleaning composition is an automatic dishwashing composition or laundry detergent composition and is provided in unit dose form, preferably in form of a pouch, wherein said pouch is made of a water-soluble or water-dispersible film;(5) the liquid cleaning composition is a laundry detergent or an automatic dishwashing detergent and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease;(6) the liquid cleaning composition is a rinse aid composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 40 wt.-% anionic and / or nonionic surfactants;(7) the liquid cleaning composition is a rinse-off composition and comprises, relative to the total weight of the composition, at least 60 wt.-% water and 1 to 25 wt.-% anionic and / or zwitterionic surfactants; or(8) the liquid cleaning composition is a hard-surface cleaning composition, preferably a floor or bathroom cleaner, and comprises at least 60 wt.-% water and at least 5 wt.-% surfactants.

20. The liquid cleaning composition according to any one of claims 1 to 19, wherein the liquid cleaning composition is a laundry detergent and comprises, relative to the total weight of the composition, at least 5 wt.-% anionic surfactants and optionally nonionic surfactants; and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease.

21. The liquid cleaning composition according to any one of claims 1 to 19, wherein the liquid cleaning composition is an automatic dishwashing composition and comprises, relative to the total weight of the composition, at least 5 wt.-% complexing agents, preferably organic complexing agents, and at least 5 wt.-% nonionic surfactants; and is provided in unit dose form, preferably in form of a pouch, wherein said pouch is made of a water-soluble or water-dispersible film; and has a pH of at least 8.5 and / or comprises bleaches and / or comprises at least one protease.

22. Use of a compound of formula (I)or a salt, hydrate, tautomer or stereoisomer thereof; whereinR1is -CH2OR7, -C(=O)R7, -COOR7, or a group of formula (II)each R2is independently methyl or -CH2SO3R7, wherein at least one R2is -CH2SO3R7;R3, R4, R5and R6are independently selected from H, OH, linear or branched Ci-Cs alkyl, linear or branched Ci-Cs alkoxy, linear or branched C2-C8 alkenyl, -SO3R7, COOR7or -PO3(R7)2, wherein each alkyl, alkenyl or alkoxy may be substituted with -OH and / or the carbon chain may be interrupted by one or more -O- or -NR7- groups, wherein at least one of R3, R4, R5and R6is H or Ci-Cs alkyl; each R7is independently H, linear or branched Ci-Cs alkyl, or linear or branched C2-C8 alkenyl; and each A is independently =O or -OH; as a light stabilizer to protect other ingredients against photolytic degradation in an liquid home care or cleaning composition, wherein said liquid home care of cleaning composition comprises the at least one compound of formula (I) in amount of 0.001 to 0.4 wt.-% relative to the total weight of the composition and, optionally, has a water content of at least 50 wt.-% relative to the total weight of the composition.

23. The use according to claim 22, wherein the compound of formula (I) is TDSA.

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