Color-stable liquid detergent

Abstract

Liquid detergent containing, based on its total weight, a) 22 to 50 wt.% anionic surfactant; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidant; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) less than 0.1% by weight of organic phosphonate.

Description

[0001] The present invention relates to color-stable liquid detergents. In particular, the invention relates to color-stable liquid detergents containing gluconic acid salt.

[0002] The packaging and distribution of detergents and washing powders are subject to constantly changing requirements. For some time now, a key focus has been on convenient dosing of detergents and washing powders for consumers and simplifying the steps required to carry out a washing or cleaning process. One solution is pre-portioned detergents or washing powders, for example, foil pouches with one or more compartments for solid or liquid detergents or washing powders. From a technical perspective, a key focus is on the development and production of liquid detergents suitable for packaging in water-soluble foil pouches.

[0003] The commercial success of a detergent portion unit is largely determined by the ability to provide a product that meets consumer interest.

[0004] An important means of communicating the product quality and product promise of a liquid detergent is its appearance, for example the color of a liquid detergent or the shape and color of a portion unit containing the liquid detergent. This applies in particular to water-soluble film pouches, whose soluble films are usually transparent and allow a view of the solid or liquid detergent contained. Colored, i.e. non-white, liquid detergents can generally be produced easily by adding appropriate dyes to the liquid detergent. The temporal stability of the achieved color impression is influenced by, among other factors, the ingredients of the liquid detergent and the addition of stabilizing agents. For example, the international application WO 93 / 09215 A1 describes the stabilization of dyes in liquid detergents by the addition of sulfur-containing compounds such as sulfites.

[0005] Another key consideration in the successful marketing of a liquid detergent is its ecological footprint. The ecological footprint of a liquid detergent is determined not only by the amount of energy and water used in its production, but also by the biodegradability of the ingredients and packaging materials used. Providing liquid detergents with high performance while continually reducing their ecological footprint is another objective in the development of detergents and cleaning products.

[0006] In summary, the application was based on the objective of providing a visually appealing, dye-containing liquid detergent characterized by high color stability. The liquid detergent should be characterized by a high active ingredient concentration, be suitable for packaging in water-soluble foil pouches, and contain a high proportion of readily biodegradable ingredients.

[0007] A first subject of the application is a liquid detergent containing, based on its total weight, a) 22 to 50 wt.% anionic surfactant; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidant; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) less than 0.1% by weight of organic phosphonate;

[0008] The liquid detergents are characterized by surprising color stability when stored even under demanding conditions. This applies to both dye-free and dye-containing detergents, which retain their original coloration, as it occurs during production, even under demanding storage conditions.

[0009] The detergent is liquid under standard conditions (20°C, 1013 mbar). Preferred detergents have a viscosity (21°C, Brookfield Viscometer Type DV-II. Pro, spindle no. 2, 20 rpm) above 400 mPas, preferably above 1000 mPas.

[0010] A first essential component of the liquid detergent is 12 to 45 wt.% anionic surfactant, with preferred liquid detergents containing, based on their total weight, 27 to 45 wt.%, preferably 32 to 40 wt.% anionic surfactant.

[0011] The anionic surfactant is preferably selected from the group comprising C9-C13 -Alkyl benzene sulfonates, olefin sulfonates, C 12 -C 18 -alkanesulfonates, ester sulfonates, alk(en)yl sulfates, fatty alcohol ether sulfates, C 12-18 Fatty acid salts and mixtures thereof. Compositions containing anionic surfactants C9-C 13 -Alkylbenzenesulfonates and fatty alcohol ether sulfates have particularly good dispersing properties. Sulfonate-type surfactants are preferably C9-C 13 -Alkylbenzenesulfonates, olefinsulfonates, i.e. mixtures of alkene and hydroxyalkanesulfonates as well as disulfonates, such as those obtained from C 12 -C 18 -monoolefins with terminal or internal double bonds by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products. C 12 -C 18-Alkanesulfonates and the esters of α-sulfofatty acids (estersulfonates), for example the α-sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.

[0012] It is particularly preferred if the composition contains at least one anionic surfactant of formula (I) in which R' and R'' are independently H or alkyl and together contain 8 to 18, preferably 9 to 15 and especially 9 to 13 C atoms and Y + a monovalent cation or the nth part of an n-valent cation (in particular monoethanolamine).

[0013] The group of alkyl ether sulfates includes fatty alcohol ether sulfates, for example the sulfuric acid monoesters of the straight-chain or branched C7-C ethoxylated with 1 to 6 moles of ethylene oxide. 21-alcohols, such as 2-methyl-branched C9-11 alcohols with an average of 3.5 mol of ethylene oxide (EO) or C12-18 fatty alcohols with 1 to 4 EO. Alkyl ether sulfates with the formula (II) are preferred. R 1 -O-(AO)n-SO3 - X + (II)

[0014] In this formula (II) R 1 represents a linear or branched, substituted or unsubstituted alkyl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical. Preferred radicals R 1 of formula (II) are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, with the representatives having an even number of carbon atoms being preferred. Particularly preferred radicals R 1of formula (II) are derived from fatty alcohols with 12 to 18 C atoms, for example from coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol or from oxo alcohols with 10 to 20 C atoms.

[0015] In formula (II), AO represents an ethylene oxide (EO) or propylene oxide (PO) group, preferably an ethylene oxide group. The index n in formula (I) is an integer from 1 to 50, preferably from 1 to 20, and in particular from 2 to 10. n is most preferably 2, 3, 4, 5, 6, 7, or 8. X is a monovalent cation or the nth part of an n-valent cation, preferred being the alkali metal ions, and among these, Na + or K + , where Na + is highly preferred. Further cations X+ can be selected from NH4 + , ½ Zn 2+ , ½ mg 2+ , ½ Ca 2+ , ½ month 2+ , and mixtures thereof as well as primary and secondary amines, in particular monoethanolamine.

[0016] Particularly preferred compositions contain an alkyl ether sulfate selected from fatty alcohol ether sulfates of the formula (III) with k = 11 to 19, n = 2, 3, 4, 5, 6, 7 or 8. Very particularly preferred representatives are Na fatty alcohol ether sulfates with 12 to 18 C atoms and 2 EO (k = 11 to 13, n = 2 in formula III). The stated degree of ethoxylation represents a statistical mean, which can be a whole or fractional number for a specific product. The stated degrees of alkoxylation represent statistical mean, which can be a whole or fractional number for a specific product. Preferred alkoxylates / ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).

[0017] In summary, preferred liquid detergents contain anionic surfactant selected from the group of C 8-18 -Alkylbenzenesulfonates, C 8-18 -Olefinsulfonates, C 12-18 -Alkanesulfonates, C8-18 -Estersulfonates, C 8-18 -Alkyl sulfates, C 8-18 -Alkenyl sulfates, fatty alcohol ether sulfates and the C 12-18 Fatty acid salts, preferably from the group of C 8-18 -Alkylbenzenesulfonates, C 8-18 -alkyl sulfates, fatty alcohol ether sulfates and C 12-18 Fatty acid salts and especially from the group of C 8-18 -Alkylbenzenesulfonates and C 12-18 Fatty acid salts.

[0018] The use of anionic surfactants from the group of alkanolamine-C 8-18 -Alkylbenzenesulfonates proven.

[0019] In preferred liquid detergents, the anionic surfactant is selected from the group of alkanolamine-C 8-18 -Alkylbenzenesulfonates with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine.

[0020] Other preferred anionic surfactants come from the group of C 12-18 Fatty acid salts. Particularly preferred C 12-18 Fatty acid salts are selected from the group caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and mixtures thereof.

[0021] In preferred liquid detergents, the anionic surfactant is selected from the group of alkanolamine-C 12-18 Fatty acid salts with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine.

[0022] The C 12-18 Fatty acid salts are classified in the application as anionic surfactants.

[0023] Both storage stability and washing and cleaning performance can be further improved by the composition of the surfactant system. In preferred detergents, the weight ratio of C 8-18-Alkylbenzenesulfonate to C 12-18 Fatty acid salts 8:1 to 2:1, preferably 7:1 to 5:2 and in particular 6:1 to 3:1. Particularly preferred detergents are those in which the weight ratio of alkanolamine-C 8-18 -Alkylbenzenesulfonate to alkanolamine-C 12-18 Fatty acid salt is 8:1 to 2:1, preferably 7:1 to 5:2 and in particular 6:1 to 3:1.

[0024] The detergents contain a nonionic surfactant as a preferred optional ingredient. Its weight fraction of the total weight of the detergent is preferably 12 to 36 wt.%, particularly preferably 15 to 33 wt.%, and especially 18 to 30 wt.%.

[0025] In particular, the use of non-ionic surfactants from the group of alkyl ethoxylates is preferred, with preferred alkyl ethoxylates from the group of ethoxylated primary C 8-18 -alcohols, preferably the ethoxylated primary C 8-18-alcohols with a degree of alkoxylation of 4 to 10, particularly preferably the C 12-14 -Alcohols with 4 EO or 7 EO, the C 9-11 -alcohols with 7 EO, the C 13-15 -Alcohols with 5 EO, 7 EO or 8 EO, the C 13-15 -Oxo alcohols with 7 EO, the C 12-18 -Alcohols with 5 EO or 7 EO, especially C 12-18 -Fatty alcohols with 7 EO or C 13-15 -Oxo alcohols with 7 EO can be selected.

[0026] In summary, preferred detergents contain, based on their total weight, 12 to 36 wt.%, particularly preferably 15 to 33 wt.% and in particular 18 to 30 wt.% nonionic surfactant from the group of ethoxylated primary C 8-18 -alcohols, preferably the ethoxylated primary C 8-18 -alcohols with a degree of alkoxylation of 4 to 10, particularly preferably the C 12-14 -Alcohols with 4 EO or 7 EO, the C 9-11 -alcohols with 7 EO, the C 13-15 -Alcohols with 5 EO, 7 EO or 8 EO, the C 13-15-Oxo alcohols with 7 EO, the C 12-18 -Alcohols with 5 EO or 7 EO, especially C 12-18 -Fatty alcohols with 7 EO or C 13-15 -Oxo alcohols with 7 EO.

[0027] With regard to the rheological properties of the detergents, their processability and cleaning effect, it has proven advantageous to use non-ionic surfactant and anionic surfactant in a weight ratio of 3:1 to 1:3, preferably 2:1 to 1:2 and in particular 3:2 to 2:3.

[0028] As a further optional ingredient, preferred detergents contain 1 to 10 wt.%, preferably 1.2 to 7 wt.% and in particular 1.5 to 4 wt.% of polyalkoxylated amine having a weight-average molecular weight M win the range of 600 g / mol to 10000 g / mol, which is obtainable by reacting ammonia or primary alkyl or hydroxyalkylamines having a molecular weight below 200 g / mol with alkylene oxides.

[0029] Preferred polyalkoxylated amines have a weight-average molecular weight M w in the range from 1300 g / mol to 6000 g / mol, in particular from 1400 g / mol to 4500 g / mol. (The average molecular weights given here and later for other polymers are weight-average molecular weights M wwhich can generally be determined by gel permeation chromatography using an RI detector, whereby the measurement is conveniently carried out against an external standard.) For their preparation, one can start in a known manner from ammonia, a monoalkylamine, a monoalkyl-monoalkanolamine or a monoalkyl-dialkanolamine or a mono-, di- or trialkanolamine, for example triethanolamine, methyl-, ethyl-, propyl- and isopropyl-diethanolamine, methyl-, ethyl-, propyl- and isopropyl-diisopropanolamine, tripropanolamine, triisopropanolamine, N,N-di-(2-hydroxyethyl)cyclohexylamine, N,N-di-(2-hydroxypropyl)cyclohexylamine, n-butylamine, n-hexylamine, n-octylamine, isopropylamine, sec-butylamine, tert-butylamine, cyclohexylamine, 2-ethylhexylamine, 2-phenylethylamine and mixtures thereof, which is reacted with an alkylene oxide, in particular selected from the group consisting of ethylene oxide, propylene oxide, Butylene oxide and mixtures thereof, in particular with a mixture containing propylene oxide and preferably ethylene oxide, particularly preferably with propylene oxide.The polyalkoxylated amines obtainable in this way can be block or random structures. Particular preference is given, inter alia, to a polyalkoxylated amine obtainable by propoxylation of triethanolamine, preferably with a length of each of the three side arms of 15 propylene oxide units. Likewise preferred is a polyalkoxylated amine obtainable by propoxylation of triisopropanolamine, preferably with a length of each of the three side arms of 15 propylene oxide units. Also suitable are polyalkoxylated monoalkylamines having a linear, branched, or cyclic alkyl group, wherein the alkoxylation is carried out with an alkylene oxide selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide, and mixtures thereof, preferably with a mixture containing propylene oxide, particularly preferably with propylene oxide.Also preferred is a polyalkoxylated amine obtainable by propoxylation of tert-butylamine, preferably with a length of the two side arms of 12 propylene oxide units each.

[0030] Preferred polyalkoxylated amines satisfy the general formula (IV) in which R represents a linear, optionally branched or optionally cyclic alkyl group having 1 to 12 C atoms or a group -(CH2CHR'O) n'' -(CH2CHR''O) m'' -H, R' and R'' independently represent H, CH3 or CH2CH3, n, n' and n'' independently of one another represent numbers from 0 to 30, preferably from 0 to 10 and in particular 0 to 5, and m, m' and m'' independently of one another represent numbers from 0 to 30, preferably from 5 to 20 and in particular from 12 to 16, with the proviso that the sum n + n' + n'' + m + m' + m'' is at least 14, preferably in the range from 18 to 100 and in particular in the range from 20 to 70. Preferably, in the compounds of formula I, at least one of the radicals R' and R'' is a CH3 group.

[0031] Polyalkoxylated amines that are particularly preferred due to their cleaning performance are those obtainable by reacting triethanolamine with alkylene oxides, preferably by reacting triethanolamine with ethylene oxide and propylene oxide. Polyalkoxylated amines that are obtainable by reacting triethanolamine with ethylene oxide and subsequent reaction with propylene oxide are very particularly preferred.

[0032] A second essential component of detergents is the gluconic acid salt. The weight fraction of the gluconic acid salt in the total weight of the detergent is preferably 0.2 to 6 wt.% and in particular 0.4 to 4 wt.%. The addition of the gluconic acid salt has proven particularly advantageous for stabilizing the dye in the liquid detergent. Due to its availability and ease of processing, the use of sodium gluconate is particularly preferred.

[0033] Another key ingredient in dye stabilization is the use of antioxidants. An antioxidant is a molecule that can slow or prevent the oxidation of other molecules. Oxidation reactions can produce free radicals, which in turn can trigger degradation chain reactions. Antioxidants stop these chain reactions by removing the free radical intermediates and inhibiting other oxidation reactions, as well as being oxidized themselves. Therefore, antioxidants are often reducing agents.The antioxidant is preferably selected from the group consisting of butylhydroxyltoluene (BHT), butylhydroxylanisole (BHA), trimethoxybenzoic acid (TMBA), α-, β-, λ- and δ-tocopherol (vitamin E acetate), 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox), 1,2, benzisothiazolin-3-one (Proxel GLX), tannic acid, galic acid, Tinoguard AO-6, Tinoguard TS, ascorbic acid, alkylated phenol, ethoxyquin 2,2,4-trimethyl,1-2-dihydroquinoline, lignosulfonic acid and its salts, benzofuran, benzopyran, tocopherol sorbate, butylhydroxylbenzoic acid and its salts, galic acid and its alkyl esters, uric acid, its salts and alkyl esters, Sorbic acid and its salts, dihydroxyfumaric acid and its salts and mixtures thereof.

[0034] Particularly preferred antioxidants are selected from the group of sulfites, hydrogen sulfites and disulfites, preferably from the group sodium sulfite, sodium hydrogen sulfite and sodium disulfite, in particular from the group containing sodium sulfite and sodium disulfite.

[0035] The use of antioxidants from the disulfite group, preferably from the sodium disulfite group, has proven to be particularly effective.

[0036] The weight proportion of the antioxidant in the total weight of the detergent is preferably 0.02 to 1 wt% and in particular 0.05 to 0.5 wt%.

[0037] As a further essential component, the detergent contains 5 to 25 wt.% organic solvent. The proportion of the organic solvent in the total weight of the detergent is preferably 7 to 20 wt.% and in particular 10 to 18 wt.%.

[0038] Preferred organic solvents are selected from the group consisting of ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether, di-n-octyl ether and mixtures thereof, preferably from the group of propanediol, glycerin, and their mixtures. Any alkanolamine used to neutralize the anionic surfactant is not classified as organic solvents.

[0039] The detergent contains water. Preferred detergents are those containing 5 to 15, preferably 8 to 15, wt.% water based on their total weight.

[0040] The weight fraction of organic phosphonate in the total weight of the detergent is less than 0.1 wt.%. Preferred detergents contain no organic phosphonate, in particular no phosphonate at all. Examples of phosphonate compounds that are preferably not present in the detergent are phosphonates from the group of hydroxyalkane and / or aminoalkanephosphonates, in particular from the group of 1-hydroxyethane-1,1-diphosphonate (HEDP), ethylenediaminetetramethylenephosphonate (EDTMP), and diethylenetriaminepentamethylenephosphonate (DTPMP).

[0041] As mentioned at the beginning, the detergents are characterized by surprisingly high color stability, even under demanding storage conditions. This applies to both dye-free and dye-containing detergents.

[0042] Preferred detergents contain dye as an optional component. The dye is preferably selected from the group of water-soluble dyes, in particular from the group of water-soluble acid dyes, water-soluble direct dyes, and water-soluble polymer dyes, in particular water-soluble polymer dyes.

[0043] Geeignete Farbstoffe sind Acid Red 18 (CI 16255), Acid Red 26, Acid Red 27, Acid Red 33, Acid Red 51, Acid Red 87, Acid Red 88, Acid Red 92, Acid Red 95, Acid Red 249 (CI 18134), Acid Red 52 (CI 45100), Acid Violet 126, Acid Violet 48, Acid Violet 54, Acid Yellow 1, Acid Yellow 3 (CI 47005), Acid Yellow 11, Acid Yellow 23 (CI 19140), Acid Yellow 3, Direct Blue 199 (CI 74190), Direct Yellow 28 (CI 19555), Food Blue 2 (CI 42090), Food Blue 5:2 (CI 42051 :2), Food Red 7(01 16255), Food Yellow 13 (CI 47005), Food Yellow 3 (CI 15985), Food Yellow 4 (CI 19140), Reactive Green 12, Solvent Green 7 (CI 59040).

[0044] Preferred dyes are also water-soluble acid dyes, for example Food Yellow 13 (Acid Yellow 3, CI 47005), Food Yellow 4 (Acid Yellow 23, CI 19140), Food Red 7 (Acid Red 18, CI 16255), Food Blue 2 (Acid Blue 9, CI 42090), Food Blue 5 (Acid Blue 3, CI 42051), Acid Red 249 (CI 18134), Acid Red 52 (CI 45100), Acid Violet 126, Acid Violet48, Acid Blue 80(01 61585), Acid Blue 182, Acid Blue 182, Acid Green 25 (CI 61570), Acid Green 81.

[0045] Water-soluble direct dyes, such as Direct Yellow 28 (CI 19555), Direct Blue 199 (CI 74190) and water-soluble reactive dyes, such as Reactive Green 12, as well as the dyes Food Yellow 3 (CI 15985), Acid Yellow 184, can also be used.

[0046] In particularly preferred embodiments, water-soluble polymer dyes, for example Liquitint, Liquitint Blue HP (CAS No. 162874-54-6), Liquitint Blue MC, Liquitint Blue 65, Liquitint Cyan 15 (CAS No. 888888-03-0), Liquitint Patent Blue (CAS No. 162874-57-9), Liquitint Violet 129 (CAS No. 888888-06-7), Liquitint Royal Blue (CAS No. 162874-58-0), Liquitint Red ET (CAS No. 888888-02-9), Liquitint Experimental Yellow 8949-43, Liquitint Green HMC, Liquitint Yellow LP, Liquitint Yellow II), Liquitint Aquamarine, (CAS No. 888888-04-4), Liquitint Blue (CAS No. 888888-02-6), Liquitint Bright Yellow Dye (CAS No. 888888-03-7), Liquitint Brilliant Orange Dye (CAS No. 888888-03-6), Liquitint Green (CAS No. 888888-05-5), Liquitint Orange (CAS No. 888888-03-5), Liquitint Purple (CAS No. 888888-02-7), Liquitint Red (CAS No. 888888-02-9), Liquitint Sky Blue Dye (CAS No. 888888-03-8), Liquitint Violet (CAS No. 888888-06-7) and mixtures thereof.

[0047] Water-soluble polymer dyes from the group Liquitint Cyan 15 (CAS No. 888888-03-0), Liquitint Blue HP (CAS No. 162874-54-6), Liquitint Violet 129 (CAS No. 888888-06-7) and Liquitint Red ET (CAS No. 888888-02-9) are particularly preferred.

[0048] The weight proportion of the dye in the total weight of dye-containing detergents is preferably 0.001 to 0.5 wt.%, more preferably 0.002 to 0.3 wt.% and in particular 0.005 to 0.2 wt.%.

[0049] In summary, particularly preferred liquid detergents contain, based on their total weight, a) 22 to 50 wt.% anionic surfactant from the group of alkanolamine-C 8-18 -alkylbenzenesulfonates and the alkanolamine-C 12-18 fatty acid salts; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidants selected from the group consisting of sodium sulfite and sodium disulfite; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) no organic phosphonate; g) 0.001 to 0.5 wt.% water-soluble polymer dye.

[0050] In an alternative embodiment, the detergents do not contain any dye.

[0051] Corresponding particularly preferred liquid detergents contain, based on their total weight, a) 22 to 50 wt.% anionic surfactant from the group of alkanolamine-C 8-18 -alkylbenzenesulfonates and the alkanolamine-C 12-18 fatty acid salts; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidants selected from the group consisting of sodium sulfite and sodium disulfite; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) no organic phosphonate; g) no dye.

[0052] Preferred detergents contain washing or cleaning-active polymers. Particularly preferred washing or cleaning-active polymers are selected from the group of soil release polymers, dye transfer inhibitors, graying inhibitors, and anti-redeposition agents.

[0053] Soil release agents are components that positively influence the ability of textiles to be washed out of oil and grease. This effect is particularly noticeable when a textile is soiled that has already been washed several times with an agent containing this oil and grease-dissolving component. Preferred soil release agents include, for example, non-ionic cellulose ethers such as methylcellulose and methylhydroxypropylcellulose with a methoxyl group content of 15 to 30 wt.% and a hydroxypropoxyl group content of 1 to 15 wt.%, based in each case on the non-ionic cellulose ether, as well as the polymers of phthalic acid and / or terephthalic acid or their derivatives with monomeric and / or polymeric diols known from the prior art, in particular polymers of ethylene terephthalates and / or polyethylene glycol terephthalates or anionically and / or non-ionically modified derivatives thereof.Anionic or nonionic polyesters of polypropylene terephthalates are also preferred. These are available, for example, under the trade name Texcare. ® commercially available. In summary, detergents are preferred which contain washing- or cleaning-active polymers from the group of phthalic acid and / or terephthalic acid or their derivatives with monomeric and / or polymeric diols, preferably from the group of polymers of ethylene terephthalates and / or polyethylene glycol terephthalates and / or polypropylene terephthalates or anionically and / or nonionically modified derivatives thereof, particularly preferably from the group of anionic or nonionic polyesters of polypropylene terephthalates.

[0054] It is preferred that the dye transfer inhibitor is a polymer or copolymer of cyclic amines, such as vinylpyrrolidone and / or vinylimidazole. Polymers suitable as dye transfer inhibitors include polyvinylpyrrolidone (PVP), polyvinylimidazole (PVI), copolymers of vinylpyrrolidone and vinylimidazole (PVP / PVI), polyvinylpyridine N-oxide, poly-N-carboxymethyl-4-vinylpyridium chloride, polyethylene glycol-modified copolymers of vinylpyrrolidone and vinylimidazole, and mixtures thereof. Particularly preferred dye transfer inhibitors are polyvinylpyrrolidone (PVP), polyvinylimidazole (PVI), or copolymers of vinylpyrrolidone and vinylimidazole (PVP / PVI). The polyvinylpyrrolidones (PVP) used preferably have an average molecular weight of 2,500 to 400,000 and are commercially available from ISP Chemicals as PVP K 15, PVP K 30, PVP K 60 or PVP K 90 or from BASF as Sokalan® HP 50 or Sokalan® HP 53.The copolymers of vinylpyrrolidone and vinylimidazole (PVP / PVI) used preferably have a molecular weight in the range of 5,000 to 100,000 g / mol. A PVP / PVI copolymer is commercially available, for example, from BASF under the name Sokalan® HP 56.

[0055] The purpose of graying inhibitors is to keep the dirt detached from the textile fibers suspended in the liquor. Suitable for this purpose are water-soluble colloids, usually of an organic nature, such as starch, glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or cellulose, or salts of acidic sulfuric acid esters of cellulose or starch. Water-soluble polyamides containing acidic groups are also suitable for this purpose. Starch derivatives other than those mentioned above can also be used, such as aldehyde starches. Cellulose ethers such as carboxymethylcellulose (Na salt), methylcellulose, hydroxyalkylcellulose, and mixed ethers such as methylhydroxyethylcellulose, methylhydroxypropylcellulose, methylcarboxymethylcellulose, and mixtures thereof are preferred.Particularly suitable antiredeposition agents are (co)polymers based on polyethyleneimine, polyvinyl acetate and polyethylene glycol, preferably in mixtures with antiredeposition agents.

[0056] Very particular preference is given to using ethoxylated polyethyleneimine with ethylene oxide segments which are bonded to the nitrogen atoms of the polyethyleneimine, the weight proportion of this ethoxylated polyethyleneimine in the total weight of the detergent preferably being 1 to 10 wt.%, preferably 1.2 to 7 wt.%, and in particular 1.5 to 4 wt.%.

[0057] The ethoxylated polyalkyleneimine is a polymer with a polyalkyleneimine backbone bearing polyalkoxy groups on the nitrogen atoms. The ethoxylated polyethyleneimine preferably has a polyethyleneimine backbone with a weight-average molecular weight in the range from 100 g / mol to 2000 g / mol, in particular from 400 g / mol to 800 g / mol. The weight-average molecular weight of the ethoxylated polyethyleneimine is preferably from 5000 g / mol to 20,000 g / mol, in particular from 8000 g / mol to 14,000 g / mol.

[0058] The polyalkyleneimine has primary amino functions at the ends and preferably both secondary and tertiary amino functions in the interior; if appropriate, it can also have only secondary amino functions in the interior, resulting in a linear rather than a branched-chain polyalkyleneimine. The ratio of primary to secondary amino groups in the polyalkyleneimine is preferably in the range from 1:0.5 to 1:1.5, in particular in the range from 1:0.7 to 1:1. The ratio of primary to tertiary amino groups in the polyalkyleneimine is preferably in the range from 1:0.2 to 1:1, in particular in the range from 1:0.5 to 1:0.8. The N atoms in the polyalkyleneimine are separated from one another by alkylene groups having 2 to 12 C atoms, in particular 2 to 6 C atoms, although not all alkylene groups need to have the same number of C atoms. Particularly preferred are ethylene groups, 1,2-propylene groups, 1,3-propylene groups, and mixtures thereof.The primary amino functions in the polyalkyleneimine can carry one or two polyalkoxy groups, and the secondary amino functions can carry one polyalkoxy group, although not every amino function needs to be substituted by an alkoxy group. The average number of alkoxy groups per primary and secondary amino function in the ethoxylated polyalkyleneimine is preferably 5 to 100, especially 10 to 50. The ethoxylated polyalkyleneimines are obtainable by reacting the polyalkyleneimines with ethylene oxide.

[0059] In summary, particularly preferred detergents contain washing or cleaning-active polymers from the group of carboxymethylcelluloses, non-ionic cellulose ethers, polyalkoxylated polyethyleneimines and (co)polymers of phthalic acid or terephthalic acid.

[0060] To further increase the cleaning performance, preferred detergents contain, based on their total weight, 0.5 to 7 wt.%, preferably 1.0 to 6 wt.% enzyme preparations.

[0061] In addition to the actual enzyme protein, an enzyme preparation comprises other components such as enzyme stabilizers, carrier materials, or fillers. The enzyme protein usually constitutes only a fraction of the total weight of the enzyme preparation. Preferably used enzyme preparations contain between 0.1 and 40 wt.%, preferably between 0.2 and 30 wt.%, more preferably between 0.4 and 20 wt.%, and most preferably between 0.8 and 10 wt.% of the enzyme protein. In such compositions, an enzyme stabilizer can be present in an amount of 0.05 to 35 wt.%, preferably 0.05 to 10 wt.%, based on the total weight of the enzyme composition.

[0062] The protein concentration can be determined using known methods, such as the BCA method (bicinchoninic acid; 2,2'-biquinolyl-4,4'-dicarboxylic acid) or the biuret method. The active protein concentration is determined by titrating the active sites using a suitable irreversible inhibitor (for proteases, for example, phenylmethylsulfonyl fluoride (PMSF)) and determining the residual activity.

[0063] The detergents preferably contain at least one enzyme preparation, particularly preferably at least three enzyme preparations of enzymes from the group consisting of lipase, mannanase, amylase, protease, cellulase, hexosaminidase, preparations of a pectinolytic enzyme and endoglucanase.

[0064] Detergents preferred in terms of their cleaning performance contain, based on their total weight, 0.1 to 0.4 wt.% and in particular 0.2 to 0.3 wt.% of hexosaminidase preparation, particularly preferably β-hexosaminidase preparation.

[0065] The term “hexosaminidase” refers to a polypeptide with hexosaminidase activity (hexosaminidases) and includes enzymes that catalyze the hydrolysis of N-acetyl-D-hexosamine or N-acetyl-glucosamine polymers.

[0066] Polypeptides with hexosaminidase activity include dispersins such as Dispersin B (DspB), which are β-N-acetylglucosamine dispersins belonging to the glycoside hydrolase 20 family. Dispersins are produced by the periodontal pathogen Aggregatibacter actinomycetemcomitans, a Gram-negative oral bacterium. Dispersin B is a β-hexosaminidase that specifically hydrolyzes β-1,6-glycosidic bonds of acetylglucosamine polymers. The use of hexosaminidases from the β-hexosaminidase group is preferred.

[0067] According to the invention, it is preferred if the detergent contains at least one lipase preparation. Lipases preferred according to the invention are selected from at least one enzyme from the group consisting of triacylglycerol lipase (EC 3.1.1.3), lipoprotein lipase (EC 3.1.1.34), and monoglyceride lipase (EC 3.1.1.23).

[0068] Preferred lipase preparations according to the invention are the commercial products marketed by Amano Pharmaceuticals under the names Lipase M-AP10®, Lipase LE®, and Lipase F® (also Lipase JV®). Lipase F®, for example, is naturally present in Rhizopus oryzae. Lipase M-AP10®, for example, is naturally present in Mucor javanicus.

[0069] A highly preferred lipase is commercially available under the trade name Lipex® from Novozymes (Denmark) and can be advantageously used in the detergents according to the invention. Lipase Lipex® 100 L is particularly preferred.

[0070] Preferred detergents are characterized in that they contain, based on their total weight, 0.01 to 1 wt.%, in particular 0.05 to 0.3 wt.%, of lipase preparation.

[0071] The detergents preferably contain at least one amylase, in particular an α-amylase. α-Amylases (EC 3.2.1.1) act as enzymes to hydrolyze internal α-1,4-glycosidic bonds of starch and starch-like polymers. Examples include the α-amylases from Bacillus licheniformis, B. amyloliquefaciens, and B. stearothermophilus, as well as their improved versions for use in detergents or cleaning agents. The enzyme from B. licheniformis is marketed by Novozymes under the trade name Termamyl. ® and by Genencor under the trade name Purastar ® ST. Further development products of these α-amylases are available from Novozymes under the trade name Duramyl ® and Termamyl ® ultra, from Genencor under the name Purastar ® OxAm and by Daiwa Seiko Inc., Tokyo, Japan, as Keistase ®The α-amylase from B. amyloliquefaciens is sold by Novozymes under the name BAN ® and derived variants of the α-amylase from B. stearothermophilus under the name BSG ® and Novamyl ® , also from Novozymes. Examples of α-amylases from other organisms are those sold under the trade name Fungamyl ® further developments of α-amylase from Aspergillus niger and A. oryzae available from Novozymes.

[0072] The weight proportion of the amylase preparation, in particular the α-amylase preparation, in the total weight of the detergent is preferably 0.1 to 2 wt.%, in particular 0.2 to 1 wt.%.

[0073] According to the invention, it is preferred if the detergent contains at least one protease as an enzyme. A protease is an enzyme that cleaves peptide bonds by hydrolysis. According to the invention, any of the enzymes from class EC 3.4 falls under this (comprising each of the thirteen subclasses falling under it). "Protease activity" is present according to the invention if the enzyme has proteolytic activity (EC 3.4). Various types of protease activity are known: The three main types are: trypsin-like, in which cleavage of the amide substrate occurs after the amino acids Arg or Lys at P1; chymotrypsin-like, in which cleavage occurs after one of the hydrophobic amino acids at P1; and elastase-like, in which cleavage of the amide substrate occurs after Ala at P1.

[0074] Surprisingly, it was found that a protease of the alkaline protease type from Bacillus lentus DSM 5483, or a sufficiently similar protease (in terms of sequence identity) that exhibits several of these modifications in combination, is particularly suitable for use in the detergents according to the invention and is advantageously stabilized therein. Advantages of using this protease thus arise, in particular, with regard to washing performance and / or stability.

[0075] Most preferably, the detergent according to the invention contains protease of the alkaline protease type from Bacillus lentus DSM 5483 or a sufficiently similar protease (based on sequence identity) which has several of these changes in combination,

[0076] The weight proportion of the protease preparation in the total weight of the detergent is preferably 0.2 to 4 wt% and in particular 0.4 to 3 wt%.

[0077] Preferred detergents further contain, as an optional ingredient, 0.05 to 2% by weight, preferably 0.1 to 0.4% by weight, of a preparation of a pectinolytic enzyme, based on their total weight.

[0078] For the purposes of the present invention, the pectinolytic enzymes include enzymes with the names pectinase, pectate lyase, pectin esterase, pectin demethoxylase, pectin methoxylase, pectin methylesterase, pectase, pectin methylesterase, pectin esterase, pectin pectyl hydrolase, pectin depolymerase, 20 endopolygalacturonase, pectolase, pectin hydrolase, pectin polygalacturonase, endo-polygalacturonase, poly-α-1,4-galacturonide glycanohydrolase, endogalacturonase, endo-D-galacturonase, galacturan 1,4-α-galacturonidase, exopolygalacturonase, poly(galacturonate) hydrolase, exo-D-galacturonase, Exo-D-galacturonanase, exopoly-D-galacturonase, exo-poly-α-galacturonosidase, exopolygalacturonosidase, or exopolygalacturanosidase. The use of pectate lyases is particularly preferred.

[0079] Within the EC classification of enzymes, the numerical classification system for enzymes, the pectinolytic enzymes belong in particular to the enzyme classes (Enzyme Commission number) EC 3.1.1.11, EC 3.2.1.15, EC 3.2.1.67 and EC 3.2.1.82 and therefore belong to the third of the six main enzyme classes, the 10 hydrolases (EC3), of which the glycosylases (EC 3.2.-.-) and, in turn, the glycosidases (EC 3.2.1.-), i.e. enzymes that hydrolyze O- and / or S-glycosyl compounds. Pectinolytic enzymes are therefore particularly effective against residues on dishes that contain pectic acid and / or other galacturonans and catalyze their hydrolysis.

[0080] Pectate lyases within the meaning of the invention are enzymes which catalyze the non-hydrolytic cleavage of pectate by an endo-mechanism.

[0081] Examples of suitable pectinolytic enzymes are the enzymes and enzyme preparations available under the trade names Gamanase®, Pektinex AR®, X-Pect® or Pectaway® from Novozymes, under the trade names Rohapect UF®, Rohapect TPL®, Rohapect PTE100®, Rohapect MPE®, 30 Rohapect MA plus HC, Rohapect DA12L®, Rohapect 10L®, Rohapect B1L® from AB Enzymes and under the trade name Pyrolase® from Diversa Corp., San Diego, CA, USA.

[0082] As a preferred component, the detergent contains 0.01 to 1% by weight, preferably 0.02 to 0.3% by weight of a mannanase preparation.

[0083] A mannanase catalyzes the hydrolysis of 1,4-beta-D-mannosidic bonds in mannans, galactomannans, glucomannans, and galactoglucomannans. These mannanases are classified as EC 3.2.1.78 according to enzyme nomenclature.

[0084] As a further preferred ingredient, the detergents contain a cellulase preparation. Synonymous terms can be used for cellulases, in particular endoglucanase, endo-1,4-beta-glucanase, carboxymethylcellulase, endo-1,4-beta-D-glucanase, beta-1,4-glucanase, beta-1,4-endoglucan hydrolase, celludextrinase, or avicelase. The decisive factor for whether an enzyme is a cellulase within the meaning of the invention is its ability to hydrolyze 1,4-β-D-glucosidic bonds in cellulose.

[0085] Cellulases (endoglucanases, EG) suitable according to the invention include, for example, fungal, endoglucanase (EG)-rich compositions which are offered by the company Novozymes under the trade name Celluzyme®. The products Endolase® and Carezyme®, also available from Novozymes, are based on the 50 kD EG and the 43 kD EG from Humicola insolens DSM 1800, respectively. Other commercial products from this company that can be used are Cellusoft®, Renozyme® and Celluclean®. Also suitable are cellulases available from AB Enzymes, Finland, under the trade names Ecostone® and Biotouch®, which are based at least in part on the 20 kD EG from Melanocarpus. Other cellulases from AB Enzymes are Econase® and Ecopulp®. Other suitable cellulases are those from Bacillus sp. CBS 670.93 and CBS 669.93, with the one from Bacillus sp. CBS 670.93 is available from Danisco / Genencor under the trade name Puradax®. Other commercial products available from Danisco / Genencor are "Genencor detergent cellulase L" and IndiAge®Neutra.

[0086] The weight proportion of the cellulase preparation in the total weight of the detergent is preferably 0.01 to 1 wt.%, preferably 0.05 to 0.3 wt.%.

[0087] The composition of some preferred detergents can be found in the following tables (The data are in wt. % based on the total weight of the preparation unless otherwise stated. The symbol "--" stands for "free from".) The detergents are packaged in the form of detergent portion units in which the detergent preparation is completely enclosed in a water-soluble film. formula 1 Formula 2 Formula 3 Formula 4 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 6 Formula 7 Formula 8 Formula 9 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 11 Formula 12 Formula 13 Formula 14 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 16 Formula 17 Formula 18 Formula 19 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 21 Formula 22 Formula 23 Formula 24 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 26 Formula 27 Formula 28 Formula 29 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 31 Formula 32 Formula 33 Formula 34 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 36 Formula 37 Formula 38 Formula 39 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 41 Formula 42 Formula 43 Formula 44 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 46 Formula 47 Formula 48 Formula 49 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Misc to 100 to 100 to 100 to 100 Formula 51 Formula 52 Formula 53 Formula 54 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 Enzyme preparation 0.5 to 7 0.5 to 7 0.5 to 7 1 to 6 Misc to 100 to 100 to 100 to 100 Formula 56 Formula 27 Formula 58 Formula 59 Alkanolamin-C 8-18 -Alkylbenzolsulfonat, 22 to 50 27 to 45 27 to 45 32 to 40 Alkanolamine-C 12-18 fatty acid salt non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Enzyme preparation 0.5 to 7 0.5 to 7 0.5 to 7 1 to 6 Misc to 100 to 100 to 100 to 100 Formula 61 Formula 62 Formula 63 Formula 64 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Enzyme preparation 0.5 to 7 0.5 to 7 0.5 to 7 1 to 6 Misc to 100 to 100 to 100 to 100 Formula 66 Formula 67 Formula 68 Formula 69 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - Enzyme preparation 0.5 to 7 0.5 to 7 0.5 to 7 1 to 6 Misc to 100 to 100 to 100 to 100 Formula 71 Formula 72 Formula 73 Formula 74 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 water-soluble dye 0.001 to 0.5 0.001 to 0.5 0.002 to 0.3 0.005 to 0.2 Misc to 100 to 100 to 100 to 100 Formula 76 Formula 77 Formula 78 Formula 79 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - water-soluble dye 0.001 to 0.5 0.001 to 0.5 0.002 to 0.3 0.005 to 0.2 Misc to 100 to 100 to 100 to 100 Formula 81 Formula 82 Formula 83 Formula 84 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - water-soluble dye 0.001 to 0.5 0.001 to 0.5 0.002 to 0.3 0.005 to 0.2 Misc to 100 to 100 to 100 to 100 Formula 86 Formula 87 Formula 88 Formula 89 anionic surfactant 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 dye - - - - Misc to 100 to 100 to 100 to 100 Formula 91 Formula 92 Formula 93 Formula 94 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Antioxidants 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 organic solvent 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - dye - - - - Misc to 100 to 100 to 100 to 100 Formula 96 Formula 97 Formula 98 Formula 99 Alkanolamine-C 8-18 -Alkyl benzene sulfonate, alkanolamine-C 12-18 fatty acid salt 22 to 50 27 to 45 27 to 45 32 to 40 non-ionic surfactant 12 to 36 15 to 33 18 to 30 18 to 30 Gluconic acid salt 0.1 to 8 0.2 to 6 0.2 to 6 0.4 to 4 Sodium sulfite, sodium disulfite 0.01 to 2 0.02 to 1 0.02 to 1 0.05 to 0.5 Propanediol, Glycerin 5 to 25 7 to 20 10 to 18 10 to 18 Water 0.1 to 15 5 to 15 8 to 15 8 to 15 organic phosphonate <0,1 - - - dye - - - - Misc to 100 to 100 to 100 to 100

[0088] The detergent according to the invention is characterized by high color stability and is therefore particularly suitable for packaging in transparent packaging. Preferred detergents are packaged in transparent containers. The transparent container allows the detergent to be perceived within the container. Examples of such transparent packaging include transparent plastic bottles or transparent, water-soluble film bags.

[0089] "Transparent" or "transparency" means that the transmittance within the visible spectrum of light (410 to 800 nm) is greater than 20%, preferably greater than 30%, most preferably greater than 40%, and especially greater than 50%. Thus, as soon as a wavelength of the visible spectrum of light has a transmittance greater than 20%, it is considered transparent within the meaning of the invention.

[0090] A further preferred subject of this application is a detergent portion unit comprising i) a detergent; ii) a transparent water-soluble film which completely encloses the detergent.

[0091] The water-soluble film enclosing the detergent can comprise one or more structurally different water-soluble polymers. Particularly suitable water-soluble polymers are polymers from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers.

[0092] Water-soluble films are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range of 10,000 to 1,000,000 gmol -1 , preferably from 20,000 to 500,000 gmol -1 , particularly preferably from 30,000 to 100,000 gmol -1 and especially from 40,000 to 80,000 gmol -1 lies.

[0093] The preparation of polyvinyl alcohol and polyvinyl alcohol copolymers generally involves the hydrolysis of intermediate polyvinyl acetate. Preferred polyvinyl alcohols and polyvinyl alcohol copolymers have a degree of hydrolysis of 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol%, and especially 82 to 88 mol%.

[0094] Preferred polyvinyl alcohol copolymers comprise, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt, or its ester. Particularly preferably, such polyvinyl alcohol copolymers contain, in addition to vinyl alcohol, sulfonic acids such as 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), acrylic acid, methacrylic acid, acrylic acid esters, methacrylic acid esters, or mixtures thereof; among the esters, C 1-4 -Alkyl esters or -hydroxyalkyl esters are preferred. Other suitable monomers include ethylenically unsaturated dicarboxylic acids, such as itaconic acid, maleic acid, fumaric acid, and mixtures thereof.

[0095] Suitable water-soluble films for use are marketed by MonoSol LLC, for example, under the designations M8630, M8720, M8310, C8400, or M8900. Also suitable are films with the designations Solublon® PT, Solublon® GA, Solublon® KC, or Solublon® KL from Aicello Chemical Europe GmbH, or the VF-HP films from Kuraray.

[0096] The water-soluble films may contain additional active ingredients or fillers as well as plasticizers and / or solvents, especially water.

[0097] The group of other active ingredients includes, for example, materials that protect the ingredients of the preparation enclosed in the film material from decomposition or deactivation by light exposure. Antioxidants, UV absorbers, and fluorescent dyes have proven particularly suitable in this regard.

[0098] Plasticizers that can be used include, for example, glycerin, ethylene glycol, diethylene glycol, propanediol, 2-methyl-1,3-propanediol, sorbitol or mixtures thereof.

[0099] To reduce the friction coefficient, the surface of the water-soluble film of the detergent dispenser can optionally be dusted with a fine powder. Sodium aluminosilicate, silicon dioxide, talc, and amylose are examples of suitable dusting agents.

[0100] Preferred water-soluble films are suitable for processing in a thermoforming apparatus.

[0101] The volume of the detergent portion unit is preferably from 10 to 30 ml, in particular from 12 to 25 ml.

[0102] Preferred detergent portion units have one to four receiving chambers, preferably three or four receiving chambers. In detergent portion units with two or more receiving chambers, preferably at least one of the receiving chambers, preferably the majority of the receiving chambers, is transparent. Preferred detergent portion units have three or four receiving chambers, and at least two of the chambers contain a detergent according to the invention.

[0103] The following further embodiments are particularly preferred: - Detergent portion unit at least two receiving chambers which are surrounded by a water-soluble film, wherein one receiving chamber is filled with the detergent according to the invention and the further receiving chamber is filled with a second detergent different from the detergent according to the invention; - Detergent portion unit at least three receiving chambers which are surrounded by a water-soluble film, wherein two receiving chambers are filled with the detergent according to the invention and the further receiving chamber is filled with a second detergent different from the detergent according to the invention; - Detergent portion unit at least four receiving chambers which are surrounded by a water-soluble film, wherein three receiving chambers are filled with the detergent according to the invention and the further receiving chamber is filled with a detergent different from the detergent according to the invention.

[0104] As stated above, the detergent is particularly suitable for cleaning textiles in machine-cleaned textiles. A further subject matter of this application is therefore a method for textile cleaning in which a detergent according to the invention or a detergent portion unit according to the invention is introduced into the wash liquor of a textile washing machine.

[0105] The mechanical textile cleaning process is preferably carried out at temperatures of 20°C to 60°C, preferably 30°C to 45°C.

[0106] This registration provides, among other things, the following items: 1. Liquid detergent containing, based on its total weight, a) 22 to 50 wt.% anionic surfactant; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidant; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) less than 0.1% by weight of organic phosphonate. 2. Detergent according to item 1, wherein the anionic surfactant is selected from the group of C 8-18 -Alkylbenzenesulfonates, C 8-18 -Olefinsulfonates, C 12-18 -Alkanesulfonates, C 8-18 -Estersulfonates, C 8-18 -Alkyl sulfates, C 8-18 -Alkenyl sulfates, fatty alcohol ether sulfates and fatty acid salts, preferably from the group of C 8-18 -Alkylbenzenesulfonates, C 8-18 -alkyl sulfates, fatty alcohol ether sulfates and C 12-18 Fatty acid salts and especially from the group of C 8-18 -Alkylbenzenesulfonates and C 12-18 Fatty acid salts. 3. Detergent according to one of the preceding points, wherein the anionic surfactant is selected from the group of alkanolamine-C 8-18 -alkylbenzenesulfonates and the alkanolamine-C 12-18 Fatty acid salts. 4. Detergent according to one of the preceding points, wherein the anionic surfactant is selected from the group of alkanolamine-C 8-18 -Alkylbenzenesulfonates. 5. Detergent according to one of points 3 or 4, wherein the anionic surfactant is selected from the group of alkanolamine-C 8-18 -Alkylbenzenesulfonates with alkanolamine from the group monoethanolamine, monoisopropanolamine, diisopropanolamine, preferably from the group monoethanolamine. 6. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 27 to 45 wt.%, preferably 32 to 40 wt.% of anionic surfactant. 7. Detergent according to one of the previous points, wherein the detergent C 8-18 -alkylbenzenesulfonate and C 12-18 fatty acid salt and the weight ratio of C 8-18 -Alkylbenzenesulfonate to C 12-18 Fatty acid salt is 8:1 to 2:1, preferably 7:1 to 5:2 and in particular 6:1 to 3:1. 8. Detergent according to one of the preceding points, wherein the detergent contains alkanolamine-C 8-18 -Alkylbenzenesulfonate and alkanolamine-C 12-18 fatty acid salt and the weight ratio of alkanolamine-C 8-18 -Alkylbenzenesulfonate to alkanolamine-C 12-18 Fatty acid salt is 8:1 to 2:1, preferably 7:1 to 5:2 and in particular 6:1 to 3:1. 9. Detergent according to one of the preceding points, wherein the detergent further contains, based on its total weight, 12 to 36 wt.%, preferably 15 to 33 wt.% and in particular 18 to 30 wt.% of non-ionic surfactant. 10. Detergent according to item 9, wherein the non-ionic surfactant is selected from the group of ethoxylated primary C 8-18 -alcohols, preferably the ethoxylated primary C 8-18 -alcohols with a degree of alkoxylation of 4 to 10, particularly preferably the C 12-14 -Alcohols with 4 EO or 7 EO, the C 9-11 -alcohols with 7 EO, the C 13-15-Alcohols with 5 EO, 7 EO or 8 EO, the C 13-15 -Oxo alcohols with 7 EO, the C 12-18 -Alcohols with 5 EO or 7 EO, especially C 12-18 -Fatty alcohols with 7 EO or C 13-15 -Oxo alcohols with 7 EO. 11. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 1 to 10 wt.%, preferably 1.2 to 7 wt.% and in particular 1.5 to 4 wt.% of polyalkoxylated amine having a weight-average molecular weight M w in the range of 600 g / mol to 10000 g / mol, which is obtainable by reacting ammonia or primary alkyl or hydroxyalkylamines having a molecular weight below 200 g / mol with alkylene oxides. 12. Detergent according to item 11, wherein the polyalkoxylated amine is obtainable by reacting triethanolamine with alkylene oxides, preferably by reacting triethanolamine with ethylene oxide and propylene oxide. 13. Detergent according to one of items 11 or 12, wherein the polyalkoxylated amine has a weight-average molecular weight M w in the range from 1300 g / mol to 6000 g / mol, in particular from 1400 g / mol to 4500 g / mol. 14. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.2 to 6 wt.% and in particular 0.4 to 4 wt.% of gluconic acid salt, preferably sodium gluconate. 15. Detergent according to one of the preceding points, wherein the detergent contains antioxidants from the group of sulfites, hydrogen sulfites and disulfites, preferably from the group sodium sulfite, sodium hydrogen sulfite and sodium disulfite, in particular from the group sodium sulfite and sodium disulfite. 16. Detergent according to one of the preceding points, wherein the detergent contains antioxidants from the group of disulfites, preferably from the group of sodium disulfite. 17. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.02 to 1 wt.% and in particular 0.05 to 0.5 wt.% of antioxidant. 18. Detergent according to one of the preceding points, wherein the detergent contains an organic solvent from the group consisting of ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerin, diglycol, propyl diglycol, butyl diglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, ethylene glycol mono-n-butyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, methoxytriglycol, ethoxytriglycol, butoxytriglycol, 1-butoxyethoxy-2-propanol, 3-methyl-3-methoxybutanol, propylene glycol t-butyl ether, Di-n-octyl ether and mixtures thereof, preferably from the group consisting of propanediol, glycerol and mixtures thereof. 19. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 7 to 20 wt.%, preferably 10 to 18 wt.% of organic solvent. 20. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 5 to 15, preferably 8 to 15 wt.% water. 21. Detergent according to any one of the preceding items, wherein the detergent does not contain an organic phosphonate. 22. Detergent according to one of the preceding points, wherein the detergent contains dye from the group of water-soluble dyes, in particular from the group of water-soluble acid dyes, water-soluble direct dyes and water-soluble polymer dyes, in particular water-soluble polymer dyes. 23. Detergent according to one of the previous points, where the detergent is a dye from the group Liquitint Blue HP (CAS No. 162874-54-6), Liquitint Cyan 15 (CAS No. 888888-03-0), Liquitint Patent Blue (CAS No. 162874-57-9), Liquitint Violet 129 (CAS No. 888888-06-7), Liquitint Royal Blue (CAS No. 162874-58-0), Liquitint Red ET (CAS No. 888888-02-9), Liquitint Aquamarine, (CAS No. 888888-04-4), Liquitint Blue (CAS No. 888888-02-6), Liquitint Bright Yellow Dye (CAS No. 888888-03-7), Liquitint Brilliant Orange Dye (CAS No. 888888-03-6), Liquitint Green (CAS No. 888888-05-5), Liquitint Orange (CAS No. 888888-03-5), Liquitint Purple (CAS No. 888888-02-7), Liquitint Red (CAS No. 888888-02-9), Liquitint Sky Blue Dye (CAS No. 888888-03-8), Liquitint Violet (CAS No. 888888-06-7) and mixtures thereof. 23. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.001 to 0.5 wt.%, preferably 0.002 to 0.3 wt.% and in particular 0.005 to 0.2 wt.% of dye. 24. Detergent according to any of the preceding points, wherein the detergent does not contain any dye. 25. Detergent according to one of the preceding points, wherein the detergent contains washing or cleaning-active polymer from the group of soil release polymers, dye transfer inhibitors, graying inhibitors and anti-redeposition agents. 26. Detergent according to one of the preceding points, wherein the detergent contains washing or cleaning-active polymer from the group of carboxymethylcelluloses, non-ionic cellulose ethers, polyalkoxylated polyethyleneimines and (co)polymers of phthalic acid or terephthalic acid. 27. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 1 to 10 wt.%, preferably 1.2 to 7 wt.%, and in particular 1.5 to 4 wt.% of ethoxylated polyethyleneimine having ethylene oxide segments bonded to the nitrogen atoms of the polyethyleneimine. 28. Detergent according to item 27, wherein the ethoxylated polyethyleneimine has a polyethyleneimine backbone with a weight-average molecular weight in the range from 100 g / mol to 2000 g / mol, in particular from 400 g / mol to 800 g / mol. 29. Detergent according to one of items 27 or 28, wherein the ethoxylated polyethyleneimine has a weight-average molecular weight in the range from 5000 g / mol to 20000 g / mol, in particular from 8000 g / mol to 14000 g / mol. 30. Detergent according to one of the preceding points, wherein the detergent contains washing- or cleaning-active polymer from the group of phthalic acid and / or terephthalic acid or derivatives thereof with monomeric and / or polymeric diols, preferably from the group of polymers of ethylene terephthalates and / or polyethylene glycol terephthalates and / or polypropylene terephthalates or anionically and / or non-ionically modified derivatives thereof, particularly preferably from the group of anionic or non-ionic polyesters of polypropylene terephthalates. 31. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.5 to 7 wt.%, preferably 1.0 to 6 wt.% of enzyme preparations. 32. Detergents according to item 31, wherein the enzyme preparations have, based on their total weight, a weight fraction of active protein of 0.1 to 40 wt.%, preferably of 0.2 to 30 wt.%. 33. Detergent according to one of the preceding points, wherein the detergent contains at least one enzyme preparation, preferably at least three enzyme preparations of enzymes from the group lipase, mannanase, amylase, protease, cellulase, hexosaminidase, preparations of a pectinolytic enzyme and endoglucanase. 34. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.1 to 0.4 wt.% and in particular 0.2 to 0.3 wt.% of hexosaminidase preparation, particularly preferably β-hexosaminidase preparation. 35. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.1 to 2 wt.%, preferably 0.2 to 1 wt.% of an amylase preparation. 36. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.2 to 4 wt.%, preferably 0.4 to 3 wt.% of a protease preparation. 37. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.01 to 1 wt.%, preferably 0.02 to 0.3 wt.% of a mannanase preparation. 38. Detergent according to one of the preceding points, wherein the detergent contains, based on its total weight, 0.01 to 1 wt.%, preferably 0.05 to 0.3 wt.% of a cellulase preparation. 39. Detergent according to any one of the preceding points, wherein the detergent is packaged in a transparent container. 40. Detergent portion unit comprising i) a detergent as defined in any of points 1 to 39 ii) a transparent water-soluble film which completely encloses the detergent. 41. Detergent portion unit according to item 40, wherein the detergent portion unit has a volume of 10 to 30 ml, preferably 12 to 25 ml. 42. Detergent portion unit according to one of items 40 or 41, wherein the detergent portion unit has one to four receiving chambers, preferably three or four receiving chambers. 43. Detergent portion unit according to one of items 40 or 41, wherein the detergent portion unit has three or four receiving chambers and at least two of the chambers contain a detergent according to one of items 1 to 38. 44. A process for textile cleaning, in which a detergent according to one of items 1 to 39 or a detergent portion unit according to one of items 40 to 43 is introduced into the wash liquor of a textile washing machine. ExamplesExample 1

[0107] The following five liquid detergents were made by mixing their ingredients. Table 1a: Detergents (wt%) V1 V2 V3 V4 E1 C 10-13 Alkylbenzolsulfonsäure 25,1 25,1 25,1 25,1 25,1 C 12-18 fatty acid 8,6 8,6 8,6 8,6 8,6 C 12-18 Fettalkoholethoxylat, 7 EO 24,9 24,9 24,9 24,9 24,9 Polypropylenterephthalat 1) 1,6 1,6 1,6 1,6 1,6 polyalkoxyliertes Polyalkylenimin 2) 3,4 3,4 3,4 3,4 3,4 1,2-Propanediol 4,7 4,9 4,9 4,7 4,7 Glycerin 11,0 11,6 11,6 11,0 11,0 Monoethanolamine 7,0 7,0 7,0 7,0 7,0 Phosphonate 0,8 - - - - Sodium gluconate - - - 0,8 0,8 Sodium sulfite 0,1 0,1 - - 0,1 Water 11,3 11,3 11,3 11,3 11,3 Misc to 100 to 100 to 100 to 100 to 100 1) Texcare SRN 170 2) ethoxylated polyethyleneimine with ethylene oxide segments bonded to the nitrogen atoms of the polyethyleneimine

[0108] After production, the dye-free liquid detergents were stored at 40°C for a period of 4 weeks. The color of the liquid detergents was determined immediately after production, as well as after 2 and 4 weeks. To determine the Klett color number, 3 ml of the undiluted samples were filled into 10 x 10 x 45 mm polystyrene cuvettes (2 x optical) and measured in a colorimeter (Dr. Lange Lico 3000 spectral colorimeter). The color number increases with increasing color. Detergents with a Klett color number >1000 are not unusable. Table 1b: Klett color number (measured value) V1 V2 V3 V4 E1 Immediately after production (t=0) 461 482 >1000 907 441 2 weeks storage (40°C) 529 598 >1000 >1000 503 4 weeks storage (40°C) 732 629 >1000 >1000 545 8 weeks storage (summer*) 649 >1000 >1000 >1000 504 12 weeks storage (summer*) 772 >1000 >1000 >1000 679 * Simulation “Summer”: Storage with oscillating temperatures between 24 and 40° C Table 1c: Klett color number (change compared to t=0) V1 V2 V3 V4 E1 2 weeks storage (40°C) +68 +116 -- ** - +62 4 weeks storage (40°C) +271 +147 - - +104 8 weeks storage (summer*) +188 - - - +63 12 weeks storage (summer*) +311 - - - +238 ** Difference cannot be determined

[0109] It can be seen from the measured values ​​that the detergents of the composition E1 according to the invention are distinguished from the comparative compositions V1 to V4 by a low color number and thus by a weaker coloration both at the time of their production and after storage at elevated temperature.

[0110] Furthermore, the detergents of the composition E1 according to the invention exhibit a lower relative color change after storage compared to the original color. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] WO 93 / 09215 A1

[0004]

Claims

[1] Liquid detergent containing, based on its total weight, a) 22 to 50 wt.% anionic surfactant; b) 0.1 to 8 wt.% gluconic acid salt; c) 0.01 to 2% by weight of antioxidant; d) 5 to 25 wt% organic solvent; e) 0.1 to 15% by weight of water; f) less than 0.1% by weight of organic phosphonate. [2] Detergent according to claim 1, wherein the anionic surfactant is selected from the group of alkanolamine-C 8-18 -alkylbenzenesulfonates and the alkanolamine-C 12-18 Fatty acid salts. [3] Detergent according to one of the preceding claims, wherein the detergent contains, based on its total weight, 0.2 to 6 wt.% and in particular 0.4 to 4 wt.% of gluconic acid salt. [4] Detergent according to one of the preceding claims, wherein the detergent contains antioxidants from the group of sulfites, hydrogen sulfites and disulfites, preferably from the group sodium sulfite, sodium hydrogen sulfite and sodium disulfite, in particular from the group sodium sulfite and sodium disulfite. [5] Detergent according to one of the preceding claims, wherein the detergent contains antioxidants from the group of disulfites, preferably from the group of sodium disulfite. [6] Detergent according to one of the preceding claims, wherein the detergent contains, based on its total weight, 0.02 to 1 wt.% and in particular 0.05 to 0.5 wt.% of antioxidant. [7] Detergent according to any one of the preceding claims, wherein the detergent does not contain an organic phosphonate. [8] Detergent according to one of the preceding claims, wherein the detergent contains dye from the group of water-soluble dyes, in particular from the group of water-soluble acid dyes, water-soluble direct dyes and water-soluble polymer dyes, in particular water-soluble polymer dyes. [9] Detergent according to any one of the preceding claims, wherein the detergent does not contain a dye. [10] Detergent according to one of the preceding claims, wherein the detergent is packaged in a transparent container.