CZ20396A3 - Detergents inhibiting transfer of dyestuff - Google Patents

Abstract

The detergent compositions comprise a polymer selected from N-vinylimidazole N-vinylpyrrolidone copolymers characterized in that said polymer has an average molecular weight range from 5,000 to 50,000.

Description

BACKGROUND OF THE INVENTION

One of the difficult and persistent problems of modern fabric washing processes is the tendency of some dyed fabrics to release dye into the wash solution. The dye is then transferred to other fabrics which are washed together with said fabric.

One way to overcome this problem is to trap the released dye from the colored fabric in the form of a complex or to adsorb it before it has the opportunity to get caught, onto another article in the wash liquor.

Polymers that inhibit such dye transfer are used in detergent compositions. ^{: =} '''' ⁼

One type of these polymers are homopolymers and copolymers of N-vinylimidazole. Examples of such polymers are described in DE 2 814 287-A and refer to detergent compositions which contain 0.1 to 10% by weight of a water-soluble or dispersible homopolymer or copolymer

N-vinylimidazole in combination with anionic and / or nonionic surfactants and other detereent additives. It relates to a method for washing fabrics which are sensitive to discoloration.

The wash liquor comprises anionic / nonionic surfactants and water-soluble polymers such as polymers or copolymers of N-virtylimidazole, N-vinyloxazolidone or N-vinylpyrrolidone.

EP 327 927 discloses a granular detergent additive comprising water-soluble polymeric compounds based on a detergent composition

M-vinylpyrrolidone - and / or - - N-vinylimidazole - and / or

AND

N-vinyloxazolidone and cationic compounds. DE 4-027S32-A to Henkel relates to non-electrolyte liquid detergent compositions comprising zeolite A, nonionic surfactants and dye transfer inhibiting polymers. Dye transfer inhibiting polymers are homopolymers and copolymers derived from N-vinylpyrrolidone and / or N-vinylimidazole and / or

N-vinyloxazolidone.

These prior art documents disclose N-vinylimidazole copolymers as dye transfer inhibiting polymers having a molecular weight ranging from 10,000 to 1,000,000. The preferred N-vinylimidazole copolymers described herein have a molecular weight of

000 to 200 000.

Unfortunately, the overall detergency of detergent compositions containing these N-vinylimidazole copolymers is largely free from the presence of a " blend " Whoever proposes a detergent faces the difficult task of finding detergent compositions having excellent overall detergent performance.

It has been found that a selected group of N-vinylimidazole copolymers are substances which are very effective in removing the transfer of solubilized or suspended dyes, but do not adversely affect the overall detergent performance of the detergent composition containing them.

This finding allows the formulation of detergent compositions which exhibit excellent cleaning and dye transfer inhibiting properties. ·

Another embodiment of the invention relates to a method for washing colored fabrics.

SUMMARY OF THE INVENTION

N-vinylimidazole N-vinylpyrrolidone copolymer

The invention relates to detergent compositions comprising a polymer selected from N-vinylimidazole N-vinylpyrrolidone copolymers, characterized by a specific molecular weight range of 5,000 to 50,000

S 000 to 30 000, preferably 10 000 to 20 000.

Surprisingly, it has been found that excellent overall detergency performance of detergent compositions comprising said copolymers is obtained by selecting a specific range of average molecular weight from 5,000 to 50,000, preferably from 3,000 to 50,000.

000, preferably from 10 to 000 ⁼ 20 ~ 00Q ~ '^ Range Average molecular weight was determined by light scattering as described in Barth HG method and Mays JW in an article published in Chemical Analysis Vol. 113, Modern methods of polymer characterization ”.

N-vinylimidazole N-vinylpyrrolidone copolymers, which are characterized by said average molecular weight range and preferably γ weight, have excellent dye transfer inhibiting properties, while not adversely affecting the cleaning performance of detergent compositions.

In addition, it has been found that the detergency performance of some detergent ingredients is enhanced by the presence of the N-vinylimidazole N-vinylpyrrolidone copolymers of the present invention.

N-vinylimidazole The N-vinylpyrrolidone copolymer of the present invention has a molar ratio of N-vinylimidazole-α

N-vinylpyrrolidone in the range. 1 to 0.2, more preferably from 0.8 to 0.2

0.3, preferably from 0.6 to 0.4.

N-vinylimidazole N-vinylpyrrolidone copolymers are linear or branched. The amount of N-vinylimidazole N-vinylpyrrolidone present in the detergent compositions is from 0.01 to 10% by weight, preferably 0.05 to 5 wt% PE nejlé- _from 0.1 to 1 weight% based on the weight of the detergent composition.

Detergent ingredients

The compositions of the present invention include in addition to

N-vinylimidazole of N-vinylpyrrolidone copolymers surfactant system, wherein the surfactant may be a nonionic surfactant and / or anionic surfactant and / or a cationic surfactant and / or an olefinic surfactant. eb o ^ zwit on eb su “su su su su su neb neb neb neb neb neb neb neb or a semipolar surfactant. Preferably, the surfactant systems of the present invention comprise as the surfactant one or more of the nonionic surfactants described herein.

These nonionic surfactants are very useful in that the dye transfer inhibiting activity of N-vinylimidazole 6

The N-vinyl-pyrrolidone copolymers increased in their presence.

Nonionic surfactants:

The alkylphenol condensates of oolyethylene oxide, polypropylene oxide and polybutylene oxide are suitable for use as nonionic surfactants in the surfactant systems of the present invention. Polyethylene oxide condensates are preferred. These compounds contain condensation products of alkylphenols having an alkyl group of 6 to 14 carbon atoms, more preferably

3 to 14 carbon atoms, in a straight or branched chain configuration, with an alkylene oxide. In a preferred embodiment, the ethylene oxide is present in an amount of 2 to 25 moles, more preferably 3 to 15 moles of ethylene oxide per mole of alkyl phenol. Commercially available nonionic surfactants of this type include Igepal ™ C0-630 supplied by GAF Corporation and Triton ™ X-4.5, X-114, X-100 and X-102, all of which are supplied by the Rohm and Haas Company.

These surfactants are generally called alkylphenolalkoxylates (e.g., alkylphenol ethoxylates).

The condensation products of primary and secondary aliphatic alcohols with 1 to 25 moles of ethylene oxide are suitable from the viewpoint of utilization as a halo-sulfite salt in the surfactant systems of the present invention. The alkyl chain of the aliphatic alcohol may be either straight or branched, primary or secondary, and generally contains 5 to 22 carbon atoms. Preferred are the condensation products of alcohols having an alkyl group containing 3 to 20 carbon atoms, more preferably 10 to 13 carbon atoms, with 2 to 10 moles of ethylene oxide per mole of alcohol.

Examples of commercially available nonionic surfactants of this type are Tergitol ™ 15-S-9 (condensation product of C11-C15 linear alcohol with 9 moles of ethylene oxide), Tergitol ™ 24-L-6 NNW (condensation product of Cu-C14 primary alcohol with 6 moles of ethylene oxide with narrow molecular weight distribution) (both supplied by Union Carbide Corporation), Neodol ™ 4.5-9 (condensation product of C14-C15 linear alcohol with 9 moles of ethylene oxide), Neodol ™ 23-6.5 (condensation product of C12-C13 linear alcohol with 6.5 mole of ethylene oxide), Neodol ™ 45-7 (the condensation product of a C14-C15 linear alcohol with 7 moles of ethylene oxide). Neodol ™ 45-4 (Cis-Cis linear alcohol condensation product with ethylene oxide moles) supplied by Shell Chemical Company and Kyro ™ EOB (C13-C15 alcohol condensation product with 9 moles ethylene oxide) supplied by The Procter and Gamble Company .

Suitable for use as nonionic surfactants in the surfactant systems of the present invention are the alkyl polysaccharides disclosed in U.S. Pat. No. 4,565,647, Llenado, issued January 21, 1936, having a hydrophobic group containing from 6 to 30 carbon atoms, more preferably 10 to 16 carbon atoms, and a polysaccharide, for example, polyglycoside, a hydrophilic group containing from 1.3 to 10, more preferably 1 3 to 3, preferably 1.3 to 2.7 carbohydrate units. Any reducing carbohydrate that contains about 5 or about 5 carbon atoms may be used, for example, the galaxy axis, and the galactosyl moieties may replace the glucosyl moieties of the molecule (e.g. the hydrophobic group is preferably attached at the 2-, 3-, 4-, etc. position to give glucose or galactose as opposed to glucoside or galactoside). For example, inter-saccharide linkages are between one position of the next saccharide unit and the 2-, 3-, 4- and / or 6- position of the preceding saccharide unit. __

Preferred are alkyl polyglycosides having the formula

R ^J 0 (CnH2n0) t (glycosyl) x wherein R ² j'e selected from the group consisting of alkyl, hydroxy polyalkyl hydroxy or phenyl yalkylf j 'e mixtures thereof in which alkyl groups contain'! 10 to 11, preferably 12 to 14, carbon atoms, n is 2 or 3, more preferably 2, t is from 0 to 10, more preferably 0, and x is 1.3 to 10, more preferably 1.3 to 3, best

1.3 to 2.7. The glycosyl is preferably derived from glucose. In preparing these compounds, the alcohol or alkylpolyethoxy alcohol is first formed and then reacted with glucose or a source of glucose to form a glucoside (attachment at position 1).

Further glycosyl units are then attached between their 1-position and the 2-, 3-, 4-and / or 6-position of the preceding glycosyl unit, more preferably in position 2.

Other suitable nonionic surfactants are the condensation products of ethylene oxide with the hydrophobic base formed by the condensation of propylene oxide with propylene glycol, which are suitable for use as an addition of the nonionic surfactant of the nonionic surfactant systems of the present invention. The hydrophobic portion of these compounds will preferably have a molecular weight of 1500 to 1300 and will be insoluble in water. The addition of polyoxyethylene moieties to this hydrophobic moiety tends to increase the water solubility of the molecule as a whole and the liquid nature of the product is ensured up to a polyoxyethylene content of 50% of the total weight of the condensation product, corresponding to condensation up to

4.0 moles of ethylene oxide. Examples of compounds of this type are some of the commercially available Pluronic ™ surfactants available from BASF.

The condensation products of ethylene oxide with the product resulting from the reaction of propylene oxide with ethylenediamine are also suitable for use as nonionic surfactants in the nonionic surfactant system of the present invention. The hydrophobic portion of the molecule consists of the reaction product of ethylenediamine and an excess amount of propylene oxide and generally has a molecular weight of 2500 to 3000. This hydrophobic portion of the molecule is condensed with ethylene oxide to the extent that the condensation product contains 4.0 to 30% polyoxyethylene and has a molecular weight of 5000 to 11,000. Examples of this type of nonionic surfactant are some of the commercially available compounds

Tetronic ™ supplied by BASF. , ·

For use as non-ionic surfactants in the surfactant system of the present invention, polyethylene oxide condensates of alkylphenol, condensation products of primary and secondary aliphatic alcohols with up to 25 moles of ethylene oxide, alkyloolysaccharides, and mixtures thereof are preferred. Most preferred are C 1 -C 18 alkylphenol ethoxylates having 3 to 15 ethoxy groups and C 6 -C 18 alcohol ethoxylates (preferably with an average C 10 value) having 2 to 10 ethoxy groups.

-or- I can mix- -1 those -1. --—- - - = - - .. =. = ^ = - ==., =,.,. = -. ===., === ^ .. =. == -.

Highly preferred nonionic surfactants are those containing polyhydroxy fatty acid amides.

which have the formula:

R ²

-CNZ ¹ t OR ¹ where R ¹ is H or R ¹ is C 1-6 hydrocarbyl, 2-hydroxyethyl, 2-hydroxypropyl or a mixture of these groups, R ² is C 3-31 hydrocarbyl and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain of at least 3 hydroxyls directly attached to the chain, or an alkoxylated derivative thereof. Preferably R ^{1 is} methyl, R ^{2 is a} straight C 1-15 alkyl or alkenyl chain such as coconut alkyl, or a mixture thereof, and Z is derived from reducing sugars such as glucose, fructose, maltose, lactose, in a reductive amination reaction.

is If nonionic. Surfactant systems of the invention added to such laundry detergent compositions improve the ability of the laundry detergent compositions to remove greasy and oily stains in a wide range of laundry conditions.

Anionic surfactants:

Highly preferred anionic surfactants are surfactants containing alkylalkoxylated sulfates, which in this patent are water soluble salts of ^{4 or more} acids having the formula RO (A) _m SO ³ M, where R is an unsubstituted C 10 -C 2 alkyl or hydroxyalkyl group having a C 10 -C 20 alkyl component, preferably a C 12 -C 20 alkyl or hydroxyl alkyl, more preferably a C 12 -C 18 alkyl or hydroxyalkyl, A is an ethoxy or propoxy group, m is greater than 0, typically has a value between 0.5 and δ, more preferably between 0.5 and a metal cation (e.g. sodium,. 0)

3, and M is H or a cation (for example potassium, lithium, calcium, magnesium, etc.), an ammonium cation or a substituted ammonium cation. Alkyl ethoxylated sulfates, like alkyl propoxylated sulfates, are contemplated in this patent. Specific examples of substituted ammonium cations are methyl, dimethyl, trimethylammonium cations and quaternary ammonium cations such as tetramethylammonium and dimethylpiperidinium cations, and cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like. . Examples of surfactants are C 12 -C 18 alkyl polyethoxylate (1.0) sulfate (C 12 -C 18 E (1.0 O) M),

C 12 -C 18 alkyl polyethoxylate (2.25) sulfate (C 12 -C 18 E (2.25) M),

C 12 -C 18 alkyl polyethoxylate (3.0) sulfate (C 12 -C 1 and E (3.0) ΙΊ, and C 12 -C 18 and alkyl polyethoxylate (4.0) sulfate (C 12 -C 1 and E (4.0) ΙΊ), wherein M is either sodium or potassium.

Suitable anionic surfactants for use in the present invention are alkyl ester sulfonate surfactants which include linear esters of C3-C20 carboxylic acids (i.e. fatty acids) that are sulfonated with SO3 gas according to The Journal of the American Oil Chemists Society 52 (1975), 323 -329. Suitable starting materials are natural fat derived from tallow, palm oil, etc.

The alkyl ester sulfonate surfactants to which it is given

-OF. rJ use in the wash, =. j sou. —Alkyl ester ----- - - -Sulfonates having the structural formula:

o ll

R ³ —CH-C-OR *

AND

SOjI *!

wherein R ³ is C 5 -C 6 hydrocarbyl, preferably alkyl or combinations thereof, R * is C 1 -C 6 hydrocarbyl, preferably alkyl or combinations thereof, and ΙΊ is a cation which forms a water-soluble salt with alkyl ester sulfonate. Suitable salt-forming cations are sodium, potassium and lithium, and substituted or unsubstituted ammonium cations such as monoethanolamine, diethanolamine and triethanolamine. Preferably R ^{3 is} C ¹⁰ -C 10 alkyl and R 4 is methyl, ethyl or isopropyl. Particularly preferred are methyl ester sulfonates wherein R ³ is C 10 -C ¹⁶ alkyl.

Other suitable anionic surfactants are alkyl sulfate surfactants which according to this patent are water-soluble spli or acids having the formula ROSO3M, wherein R is preferably C 10 -C 24 hydrocarbyl, preferably alkyl or hydroxyalkyl having a C 10 -C 20 alkyl component, more preferably C 12 -C 18 alkyl or hydroxyalkyl and 1 * 1 is H or a cation, for example an alkali metal cation (eg sodium, potassium, lithium) or ammonium or substituted ammonium (eg methyl-, dimethyl-, and trimethylammonium cation and quaternary ammonium cations such as triethyl ethyl amo and quaternary, ammonium cations derived from alkylamines (such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like).

C12-C16 alkyl chains are typically preferred with lower wash temperatures (e.g., below 50 ° C) and C 16 -C 16 alkyl chains are preferred (e.g., above 50 ° C).

preferably at higher washing temperatures <1.

Other anionic surfactants suitable for cleaning purposes may also be included in the laundry detergent compositions of the present invention. Examples are salts (e.g., sodium, potassium, ammonium salts and substituted ammonium salts such as mono-, di- and iriethanolamine salts) of soaps, linear C 6 -C 20 alkylbenzene sulfonates, primary or secondary C 8 -C 22 alkane sulfonates, C 8 -C 20 olefin insulfonates, sulfonated polycarboxylic acids prepared

By "sulphonating the pyrolyzed alkali earth metal citrate product, for example as described in British Patent No. 1,082,179, C8-C2 * alkyl polyglycol ether sulfates (containing up to 10 moles of ethylene oxide), alkyl glycerol sulfonates, glycerol sulfonates of fatty acids, oleyl glycerol sulfates, alkylphenol ethylene oxide ether sulfates, paraffin sulfonates, alkyl phosphates, isethionates such as acyl isethionates, N-acyltaurates, alkyl succinamates and sulfosuccinates, monoesters of sulfosuccinates (especially saturated and unsaturated C12-C18 sulfonates, and unsaturated C12-monosulfates) are alkylpolyglucoside sulfates (nonionic unsulfated compounds described below), branched primary alkyl sulfates, and alkyloolyethoxycarboxylates such as those having the formula RO (CH 2 CH 2 O) k -CH 2 COO-M +, where R is C 8 -C 22 alkyl, k is an integer from 0 to 10, and M is a soluble cat salt-forming ion. Resin acids and hydrogenated acids, such as those such as ice ^; Ka 1 af una, hydrogenated rosin and resin acids and hydrogenated resin acids present in or derived from tall oil. Further examples are described in Surface Active Agents and Detergents (Vol. I and II) by Schwartz, Perry and Berch. A number of such surfactants are also generally described in U.S. Pat.

December 1975 to Laughlin and co-workers, column_2.3.

line 53 to column 29, line 23 (herein incorporated by reference).

When used, the laundry detergent compositions of the present invention typically comprise from about 1% to about 40%, preferably from about 3% to about 20%, by weight of such anionic surfactants.

Alkylalkoxylated sulphate surfactants are preferred over alkyl sulphates and alkylbenzene sulphonates because alkylalkoxylated sulphate surfactants synergistically improve the ability to inhibit the dye transfer of N-vinylimidazole

N-vinylpyrrolidone copolymers.

The laundry detergent compositions of the present invention may also contain cationic, ampholytic, zwitterionic and semipolar surfactants, or even nonionic surfactants, other than those described above. Preferably, cationic surfactant systems are used which contain nonionic and ampholytic surfactants.

Cationic detersive surfactants suitable for use in the laundry detergent compositions of the present invention are those having a single long chain hydrocarbyl group. Examples of such cationic surfactants include ammonium surfactants, such as ^: - halides &lt; - &gt;&lt; -1 &gt;

[R ² (OR ³ ) y] R * (OR ³ ) y] 2 R ⁵ N + X where R ² is an alkyl or alkylbenzyl group having 8 to 13 carbon atoms in the alkyl chain, each R ³ is selected from 1 group comprising -CH 2 CH 2 -, -CH 2 CH 1 CH 3) -, -CH 2 CH (CH 2 OH) -, -CH 2 CH 2 CH 2 -, and mixtures thereof, each R ⁴ is selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 hydroxyalkyl and ring benzyl structures which formed by joining the two R ⁴ skuoin, 2 CHOH-CHOHCOR ⁴ CHOHCH2 oH, wherein R ^O is any hexose or hexose polymer having a molecular weight less than 1000, and hydrogen when y is not O, ^R is the same as R ⁴ or is represented by an alkyl chain in which the total number of carbon atoms R ^j + R ⁵ does not exceed 1S, each y is from 0 to 10 and the sum of y values is from 0 to 15, and X is any compatible anion.

Preferred cationic detersive surfactants are water-soluble quaternary ammonium compounds which are suitable for this composition and have the formula:

R 1 R 2 R 2 R M X - (i) wherein R 1 is C 5 -C 18 alkyl, each of R 2, R 3 and R 1 are independently C 1 -C 6 -alkyl, C 1 -C 0 -hydroxyalkyl. benzyl and - (C 2 H 10) x H, wherein x is 2 to 5 and X is an anion. Not more than one of R 1, R 3 or R 6 is to be benzyl. The alkyl chain length for R 1 which is preferred is C12-C15, especially where the alkyl group is a mixture of chains of varying length, obtained from coconut oil or olefin fat, or is a derivative synthetically by increasing olefins or by synthesis of OXO alcohols. Preferred groups for R 2 R 3 and R + are methyl and hydroxyethyl, and the anion X is selected from the group consisting of halide, methosulfate, acetate and phosphate ions.

Examples of suitable quaternary ammonium compounds (i) having formula (i) to be used according to the invention are:

coconut trimethylammonium chloride or bromide, coconut dihydroxyethylammonium chloride or bromide, decyltriethylammonium chloride, decyldimethylhydroxyethylammonium chloride or bromide,

C 12 -isdimethylhydroxyethylammonium chloride or bromide, coconut dimethylhydroxyethylammonium chloride or bromide, myristyltrimethylammonium methyl sulfate, lauryldimethylbenzylammonium chloride or bromide, lauryldimethylethenoxy) * ammonium chloride or bromide, cholinesters (compounds having the formula (i)

-CH 2 -O-C 1 -C 12 -alkyl and R 2 R 3 R * is methyl), dialkylimidazolines [compounds of formula (i)].

Other cationic surfactants useful herein are also described in U.S. Pat. No. 4,223,044, Cambre, assigned

14 October 1930.

When used according to this patent, the laundry detergent compositions typically contain from 0 to 25% by weight, more preferably from 3 to 15% by weight, of these cationic surfactants.

Ampholytic surfactants are also suitable for use in the art. These surfactants can be broadly described as aliphatic derivatives of secondary or tertiary amines, or aliphatic derivatives of heterocyclic, secondary and tertiary amines whose aliphatic radical has a straight or branched chain. One of the 2 aliphatic substituents contains at least 3 carbon atoms, typically 3 to 13 carbon atoms, and at least one contains an anionic group conferring increased solubility in water, for example a carboxy, sulfonate or sulfate group. See U.S. Pat. No. 3,929,673, issued to Laughlin and co-workers on December 30, 1975, at column 19, lines 13-35, for examples of ampholytic surfactants.

Zuitterionic surfactants are also suitable for use in laundry detergent compositions. These surfactants can be broadly described as derivatives of secondary and tertiary amines, derivatives of heterocyclic secondary and tertiary amines, or derivatives of quaternary ammonium, quaternary phosphonium or tertiary sulfonium compounds. See U.S. Pat. U.S. Pat.

929,673 issued to Laughlin and coworkers on December 30, 1 * 575, at column 22, line 43, for examples of zwitterionic surfactants.

When used according to this patent, the laundry detergent compositions typically comprise from 0 to 15% by weight, more preferably from 1 to 10% by weight, of these zwitterionic surfactants.

Semi-polar nonionic surfactants are a special category of nonionic surfactants comprising water-soluble amine oxides containing one alkyl moiety of from 10 to 13 carbon atoms and 2 moieties selected from the group consisting of alkyl and hydroxyalkyl moieties of from 1 to 3 liters; - ^v . - water-soluble (C 1 -C 3) alkoxy containing one alkyl moiety having 10 to 13 carbon atoms and 2 moieties selected from the group consisting of alkyl and hydroxyalkyl groups having 1 to 3 carbon atoms ; and water-soluble sulfoxides which contain one alkyl moiety having 10 to 13 carbon atoms and a moiety selected from the group consisting of alkyl and hydroxyalkyl groups having up to 3 carbon atoms.

Semi-polar nonionic detergent surfactants include amine oxide surfactants having the formula

II

R ³ (OR *) x N (R ⁵ ) 2 wherein R ³ is an alkyl, hydroxyalkyl or alkylphenyl group, or a mixture thereof, and these groups contain 8 to 22 carbon atoms; R * is an alkylene or hydroxyalkylene group or a mixture thereof, and these groups contain 2 to 3 carbon atoms; x has a value of from 0 to 3; and each R ^s is an alkyl or hydroxyalkyl group containing 1 to 3 carbon atoms or a polyethylene oxide group containing from 1 to 3 ethylene oxide groups. The R ⁵ groups may be attached to each other, for example via an oxygen or nitrogen atom, thus forming a ring structure.

In particular, these amine oxide surfactants include C 10 -C 18 alkyldimethylamine oxides and C 8 -C 12 alkoxyethyldihydroxyethylamine oxides.

Laundry detergent compositions when used in accordance with this invention

% Of the invention, typically contain 9 to 15% by weight, more preferably 1% by weight

- up to 10% by weight of these - these - = - ·· semipolar nonionic surfactants.

The present invention further relates to laundry detergent compositions comprising at least 1% by weight, more preferably 3 to 65% by weight, and most preferably 10 to 25% by weight of total surfactants.

Preferred detergent ingredients that may be included in the detergent composition are cleaning enzymes, which are present for a number of reasons, such as removing protein, sugar or triglyceride stains, and preventing dye transfer associated with leakage. These enzymes include proteases, amylases, lipases, cellulases and peroxidases, or mixtures thereof. Other types of enzymes of any suitable origin may be used - plant, animal, bacterial, fungal and yeast.

Enzymes. they are normally introduced at concentrations not exceeding 5 mg, more typically 0.05 to 3 mg of active enzyme per gram of composition. Highly preferred enzymes to be included in the detergent compositions of the present invention are cellulases, peroxidases, or mixtures thereof.

The cellulases used in the present invention are both bacterial and fungal cellulases. 5 preferably have a pH optimum of up to 9.5. Suitable cellulases are described in U.S. Pat. No. 4,435

307, Barbesgoard et al. , which discloses fungal cellulases produced by Humicola insolens. Suitable cellulases are also disclosed in GB-A-2.075.023, GB-A-2.095.275 and DE-OS-2.247.832.

Examples of such cellulases are cellulases produced by Humicola insolens (Humicola grisea var. Thermoidea), particularly Humicola DSM 1800 and cellulase produced by bacteria.

Bacillus N or cellulase 212 produced by a bacterium of the genus Aeromonas and cellulase extracted from hepatopancreas of marine molluscs _______________ "JD, lab. 11 .a = a. Urulol." Other d erol. They are c-elulases derived from Humicola insulens having a molecular weight of 50 KDa, an isoelectric point of 5.5, and containing 415 amino acids. Such cellulase is disclosed in co-pending European Patent Application No. 93200311.3, filed March 19, 1993.

is a cellulase that is color friendly.

Especially suitable cellulase listed in European

Examples of such cellulases are cellulases of Patent Application No. 91202379.2, filed November 6, 1991, called Carezy (Novo). It was found that N-vinylimidazole

N-vinylpyrrolidone copolymers synergistically improve the performance of cellulas in terms of color appearance.

Suitable lioase enzymes for use in detergent compositions include enzymes produced by Pseudomonas family microorganisms such as Pseudomonas stutzeri ATCC

19. 154- described in British Patent 1,372,034. Suitable lipases are those that exhibit a positive immunological cross-reaction with the lipase antibody produced by the microorganism.

Pseudomonas fluorescens IAN 1057. This lipase is available from Amano Pharmaceutical Co. Ltd., Nagoya, Japan under the trade name Lipase P Amano, hereinafter called

Amano-P. Particularly suitable lipases are Lip1 Lipase (Ibis) and

Lipolas (Novo).

Peroxidase enzymes are used in combination with oxygen sources, e.g., percarbonate, perborate, persulfate, hydrogen peroxide, etc., and are used to bleach solution, i.

to prevent the transfer of dye pigments that are released from the substrates during washing operations to other substrates present in the wash solution. Peroxidase enzymes are known in the art and include, for example, horseradish-peroxidase, lignin-su-and haloperoxidase.

ko is chloro-oxidase and bromoperoxidase. Oeroxidase-containing detergent compositions are described, for example, in PCT International Application WO 39/099313 and in European Patent Application No. EP-A-060532.

No. 91202332.6, filed Nov. 6, 1991. N-vinylimidazole N-vinylpyrrolidone copolymers have been found to synergistically improve the peroxidase dye transfer inhibiting efficiency.

Zo

Suitable examples of proteases include subtilisins that are obtained from certain strains of Bacillus subtilis _________ and B.

licheniformis. Commercially available proteolytic enzymes suitable for removing protein spots are those sold under the trade names Alcalase, Sainase and Esperase by Novo In '' dustries ..... '3/3 (Denmark)'. rlaxataše supplied by International

Bio-Synthetics, Inc. (Netherlands), FN-base supplied by Genencor, a

Optimase and Op ticlean supplied by øKC _____ _____ ,, .... ... ...

In the category of proteolytic enzymes, the enzymes that are referred to herein as Protease A and Protease B are of particular interest for liquid detergent compositions. Protease A is described in European Patent Application 130,756. Protease B is described in European Patent Application Serial Number S7303761.8.

Amylases include, for example, α-amylases obtained from a special strain of B. licheniformis, described in detail in the British patent

No. 1,296,839 (Novo). Amylolytic proteins include, for example, Rapidase, Maxamyl (International Bio-Synthetics, Inc) and Termamyl (Novo Industries).

In liquid preparations, an enzyme stabilization system is preferably used. Enzyme stabilization techniques for aqueous detergent compositions are well known in the art. For example, one technique for stabilizing enzymes in aqueous solutions involves the use of free calcium ions from such formulations as well. The lime is lime and lime is lime. Calcium ions can be used in combination with short chain carboxylic acid salts, preferably the formates are used. See, for example, U.S. Pat. A 318 818 has also been proposed. The use of polyols such as glycerol and sorbitol, alkoxy alcohols, dlaikyl glycoethers, polyols in alent mixtures

Μ alcohol with polyfunctional aliphatic amines (e.g.

diethanolamine, triethanolamine, diisopropanolamine, etc.) and boric acid or alkali metal borate. Enzyme stabilization techniques are further described and exemplified in U.S. Pat. No. 4,261,868, U.S. Pat. No. 3,600,319 and European Patent Application No. 0 199 405, Application No. S6200536.5.

Acids other than boric acid and borate stabilizers are preferred. Enzyme stabilization systems are also described, for example, in U.S. Pat. Nos. 4,261,868, 3,600,319 and 3

Other suitable detergent additives that can be added are the enzyme oxidizing scavengers described in co-pending European patent application N 92370013.6, filed January 31, 1992. Examples of such enzyme oxidizing scavengers are ethoxylated tetraethylene polyamines.

Particularly preferred detergent additives are combinations with technologies which are also gentle on the color of the fabric. Examples of such technologies are those using the polyvinylpyrrolidone polymers described in EP 0 503 034 and polyamine N-oxide containing polymers described in co-pending European patent applications N 92202163.3 and N 93201193.4. Other examples are cellulase and / or peroxidases and / or color maintenance rejuvenation. Tank metallocatalysts are described in co-pending European Patent Application No. 92370131.2. In addition, it has been found that the N-imidazole N-vinylpyrrolidone copolymers of the present invention eliminate or reduce the deposition of the metallocatalyst on the fiber, resulting in greater whiteness of the washed fabric.

Preferred detergent builders which can be added to the detergent compositions of the present invention also include bleaching agents that are single or

ΤΈ means. The components of these bleaching agents include several oxygen bleaching agents and, depending on the bleaching agent selected, one or more bleach activators. When present, the bleaching compounds are typically present at a concentration of from about 1% to about 10% of the detergent composition.

-General ^1, bleaching compounds are optional components in the formulations, non-liquid, e.g., granular detergents. If present, the amount of bleach activators will typically be 0.1 to 60%, more typically 0.5 to 4.0% of the bleaching composition.

The bleaching agent used in this patent is any of the bleaching agents suitable for use in detergent compositions, including oxygen bleaching agents and other compositions known in the art.

From a methodological point of view, the present invention further provides a method for cleaning fabrics, fibers and fabrics at temperatures below 50 ° C, in particular below 40 ° C, with a detergent composition comprising N-vinylimidazole N-vinylpyrrolidone copolymers in combination with bleaching agents. An activated or non-activated bleaching agent may be used as the bleaching agent useful in the present invention.

One category of oxygen bleaching agents that can be used includes bleaching agents containing an oercarboxylic acid and salts thereof. Suitable examples of this class of reagents include 1 molar n-moinoperoxyl phthalate, hexahydrate, magnesia = salt of m-tachloroperbenzoic acid, 4-nonylamino-4-oxoperoxylbutyric acid and diperoxydodecanedioic acid. Such bleaching agents are described in U.S. Pat. No. 4,483,731; European Patent Application 0 133 354; No. 4,412,934. Highly preferred bleaching agents

3 also include 6-nonylamino-6-oxoperoxycaproic acid as described in U.S. Pat. No. 4,634,551.

Another category of bleaching agents that can be used includes halogen bleaching agents. Examples of hypohalite bleaching agents include, for example, trichloroisocyanuric acid, sodium and potassium dichloroisocyanurates, and N-chloro and N-bromoalkanesulfonamides. Such materials are normally added at a concentration of 0.5 to 10% by weight of the final product, more preferably 1 to 5% by weight.

Preferably, the bleaching agents suitable for use in the present invention include bleaching peroxy agents. Examples of suitable water-soluble solid bleaching peroxy agents include hydrogen peroxide release agents such as hydrogen peroxide, perborates, for example, perborate monohydrate, perborate tetrahydrate, persulfates, percarbonates, peroxydisulfates, perfosphates, and peroxyhydrates. Preferred bleaching agents are percarbonates and perborates.

Hydrogen peroxide releasing agents can be used in combination with bleach activators such as tetraacetylethylenediamine (TAED), nonanoyloxybenzenesulfonate (NOBS, described in U.S. Patent 4,412).

934), 3,5-trimethylhexanoloxybenzenesulfonate (IS0N08S, described in EP 120 591) or pentaacetylglucose (PAG) which are perhydrolyzed a. They form a peracid as an active bleaching component which has an improved bleaching effect. Citrate acyl esters are also suitable activators. such as those described in co-pending European patent application no.

91870207.7.

Hydrogen peroxide is also present when an enzyme system (ie, enzyme and substrate) is added which is capable of forming hydrogen peroxide τΗ at the beginning or during washing and / or rinsing. Such enzyme systems are described in EP patent application 91202655.6, filed October 9, 1991.

Other bleaching peroxy agents suitable for use herein include organic peroxyacids such as percarboxylic acids. - - - ... .. ..... ... - -......

Bleaching agents other than oxygen bleaches are also known in the art and can be used in accordance with the present invention. One type of non-oxygen bleaching agent of particular interest is photoactivated bleaching agents such as sulfonated, zinc and / or aluminum-containing phthalocyanines. These materials can be applied to the substrate during the wash. After irradiation with light in the presence of oxygen, for example by hanging the clothes out to dry in daylight, the zinc containing phthalocyanine is activated, and as a result the substrate is bleached. Preferred zinc-containing phthalocyanine and the photoactivation bleaching process are described in U.S. Pat. In a typical example, detergent compositions will contain from 0.025 to 1.25% by weight of a sulfonated, zinc-containing phthalocyanine.

Preferably, the compositions of the present invention comprise kaolin clay. It has been found that the N-vinylimidazole N-vinylpyrrolidone copolymers according to the present invention are very compatible with the clays in that the dye transfer inhibiting properties of the polymers are not negaitiyně _i __ ^ s _i = p.ři.tomno.3 liy..něny ₌₌ ^ The three kaolin clays described herein. In addition, it was found that the softening ability of clays designed together with N-vinylimidazole N-vinylpyrrolidone copolymers was maintained. Especially suitable are softening fabric clays as described in EP 0 522 206.

• 2 y

The compositions of the invention may further comprise an agent. Any conventional filler system can be used in this case, including aluminosilicate materials, silicates, polycarboxylates and fatty acids, materials such as ethylenediaminetetraacetate, metal ion masking agents such as aminopolyphosphonates, especially ethylenediaminetetramethylenephosphonic acid and diethylenetriaminepentamine. Although phosphate builders are less preferred for environmental reasons, they can also be used in this case.

Suitable fillers are inorganic ion exchange materials, typically an inorganic, hydrated aluminosilicate, especially a hydrated synthetic zeolite, such as a hydrated zeolite A, X, B or HS.

Another suitable inorganic filler material is a layered silicate, for example SKS-6 (Hoechst). SKS-6 is a crystalline layered silicate containing sodium silicate (Na 2 Si 2 O 5).

Suitable polycarboxylates containing one carboxylic group are lactic acid, glycolic acid and ether derivatives of these acids as described in Belgian Patent Nos. 331 363, 821 369 and 321 370. Polycarboxylates containing two carboxyl groups include water-soluble acid salts amber, malonic, (ethylenedioxy) di-acetic, maleic, v, dig diglycol, „wine, tar tar-tron, é-umar--, i---ether k cacs, _and boxylates described in German Offenlegenschrift No. 2,446,636 and 2,446,637 and in U.S. Patent No. 3,935,257, and the sulfinylcarboxylates disclosed in Belgian Patent No. 340,623. Polycarboxylates containing three carboxyl groups include, in particular, water-soluble citrates, aconititrates and citraconates, succinate derivatives such as the carboxymethyloxysuccinates described in UK

ZG Patent No. 1,379,241, the lactosuccinates disclosed in Dutch application 7205373 and oxypolycarboxylate materials such as the 2-oxa-1,1,3-oropantricarboxylates described in the British patent

No. 1,337,447.

Polycarboxylates containing four carboxyl groups include the oxydiscinols described in British Patent No. 1,261

329, 1,1,2,2-ethanethetracarboxylates, 1,1,3,3-propantetracarboxylates and 1,1,2,3-propantetracarboxylates. Polycarboxylates containing sulfo substituents include the sulfosuccinate derivatives disclosed in British Patent Nos. 1,398,421 and 1,398,442 and U.S. Pat. No. 3,936,448, and the sulfonated pyrolyzed citrates disclosed in British Patent No. 1,032,179, while polycarboxylates containing phosphone substituents are disclosed in British Patent No. 8,849,199. 1 439 000.

Alicyclic and heterocyclic polycarboxylates include cyclopentane-cis, cis, cis-tetracarboxylates, cyclopentadiene-pentacarboxylates, 2,3,4,5-tetrahydrofuran-cis, cis, cis-tetracarboxylates, 2,5-tetrahydrofuran-cis-dicarboxylates, 2,2 , 5,5-tetrahydrofuran urantetracarboxylates, 1,2,3,4,5,6-hexane hexacarboxylates and carboxymethyl derivatives of polyhydric alcohols such as sorbitol, mannitol and xylitol. Aromatic oolycarboxylates include melitic acid and pyromellitic acid, and phthalic acid derivatives disclosed in British Patent No. 1,425,343.

From the above. Preferred polycarboxylates include hydroxycarboxylates containing up to three carboxyl groups per molecule, in particular citrates.

Preferred filler systems used in these compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A or layered silicate [ss / 6! with a surfactant such as a water-soluble carboxylate chelating agent, for example citric acid.

A suitable chelating agent useful in the detergent compositions of the present invention is ethylenediamine-N, N'-disuccinic acid (EDDS) or its alkali metal, alkaline earth metal, ammonium or substituted ammonium salts, or mixtures thereof. Preferred EDDS compounds are the free acid form and the sodium or magnesium salt thereof. Examples of such preferred EDDS sodium salts are

NazEDDS and NatEDDS. Preferred magnesium salts of EDDS are NgEDDS and NgzEDDS. Magnesium salts are most preferred for use in the compositions of the invention.

Particularly in the form of liquid formulations, suitable fatty acid fillers are saturated or unsaturated C 10 fatty acids or soaps thereof. Preferred saturated species have 12 to 16 carbon atoms in the alkyl chain. A preferred unsaturated fatty acid is oleic acid. Preferred builder systems for use in granular compositions include a mixture of a water-insoluble aluminosilicate builder such as zeolite A, and a watersoluble carboxylate chelating agent such as an acid feeling rono_ya _{.__:} _. "". . , ₌ ....

Other filler materials that may be part of the filler system for use in granular compositions are inorganic materials such as alkali metal carbonates, bicarbonates, silicates, and organic materials such as organic phosphonates, aminopolyalkylene phosphonates, and aminopolycarboxylates. Other suitable water-soluble organic salts are homopolymers or co-polymers, or salts thereof, in which the polycarboxylic acid comprises at least two carboxylic radicals separated from each other by not more than two carbon atoms. Polymers of this type are described in GB-A-1 596 756. Examples of such salts are oolyacrylates having a molecular weight of 2000. ^and ? . . ^a . ^J heir _"with copolymers - maleinanhydr idemTakové copolymers having a molecular weight from 20 000 to 70 000, especially

000.

Salts of detergent builders are normally from about 10 to about 50% by weight of the composition, preferably from about 70 to about 70%, most preferably from about 30 to about 60% by weight.

Another suitable additive is a soap suds suppressor, exemplified by silicones and silicone-silicone compositions. Representative silicones are generally alkylated polysiloxane materials, while silicates are normally used in finely divided forms, such as silicate aerogels and xerogels, and hydrophobic silicates of various types. These are added as solid materials in which the soap suds suppressor is suitably contained in a water-soluble or water-dispersible impermeable carrier of a substantially non-surfactant detergent such that it can be released. As an alternative, a soap suds suppressor that is dissolved or dispersed in a liquid carrier and used by spraying onto one or more other components may be used.

A preferred silicone suds suppressor is described by Bartollot et al. No. 3,933

672. Other particularly suitable soap suds suppressors are the self-emulsifying silicone soap suds suppressors disclosed in German patent application DTOS 2,646,126 filed by 2S. April

1977. An example of such a compound is DC-544, which is commercially available from Dow Corning and is a siloxanglycol copolymer. Particularly suitable soap suds suppressors are desorption systems containing a mixture of silicone oils and 2-alkyl-alkanols. Suitable 2-alkyl-alkanols are 2-butyl-octanols, which are sold under the trade name Isofol 12 R.

Such a suppressor soap suds suppression system is described in the solubilized European patent application N 92S7O174.7, filed November 10, 1992.

Particular preference is given to the soap suds suppressors described in co-pending European patent application no.

92201649.S. Said compositions comprise a silicone / silicate mixture in combination with a neo-silicate such as Aerosil ^R.

The soap suds suppressors described above are normally used at concentrations of 0.001 to 2% by weight of the composition, preferably 0.01 to 1% by weight.

Other ingredients used in detergent compositions are also used, such as soil suspending agents, clay release agents, optical brighteners, abrasive agents, bactericidal agents, gloss loss inhibitors, coloring agents and / or encapsulated agents.

non-encapsulated, raft, no. substances. _{L =} .. _{= T} .. ^. ...... ,

Suitable clay redeposition agents and clay suspending agents of the present invention are cellulose derivatives such as methylcellulose, carboxymethylcellulose, hydroxyethylcellulose and homo- and copolymeric polycarboxylic acids or salts thereof. Polymers of this type include polyacrylates and copolymers containing maleic anhydride-acrylic acid, which we have previously referred to as fillers, as well as copolymers of maleic anhydride with ethylene, methyl vinyl ether or methacrylic acid, with maleic anhydride representing at least 20 mole% of the copolymers. These substances are normally used in concentrations of 0.5 to 10% by weight, more preferably C.75 to 3% by weight, most preferably 1 to 6% by weight of the composition.

Preferred optical brighteners are of anionic nature. Examples are disodium 4,4 ^{* 1-} bis- (2-diethanolamino-4-anilinos-triazin-6-ylamino) -stilbene-2: 2 ^1- disulfonate, disodium 4-4 ¹ bis- (2-morpholin-4). -aniline-s-triazin-6-ylaminostilben-2: 2 ^1- disulfonate, disodium 4,4 ^1- bis- (2,4-dianilino-s-triazin-6-ylamino) stilbene-2: 2 ^1- disulfonate, monosodium 4 ¹ , 4 ¹¹ -bis- (2,4-dianiline-s-triazin-6-ylamino) stilbene-2-sulfonate, disodium 4,4 ¹ bis- (2-aniline-4- (N-methyl-N) -2-hydroxy yethylamino) -s-triazin-6-ylamino) stilbene-2,2 ¹ disulphonate, disodium 4,4 ¹ -bis- (4-feny12,1,3-triazol-2-yl) stilbene-2,2 ¹ disulfonate, disodium 4,4 ^x bis (2-aniline-4- (methyl-2-hydroxyethylamino) -s-triazin-6-ylamino) stilbene-2,2 ^1- disulfonate and sodium 2 (stilbyl-4 ¹¹ - (nafto1 ^1, 2 ^1: 4,5) -1,2,3-0I-2 ^{1 1} sulfone sulfonate.

Other suitable polymeric materials are polyethylene glycols, especially those having a molecular weight of 1000 to 10,000, preferably 2000 to 8000, preferably 4000. These materials are used in concentrations of 0.20 to 5% by weight, more preferably 0.25 to 2.5% by weight. %. These polymers and the aforementioned homo- and copolymeric polycarboxylate salts are excellent for improving whiteness preservation, in terms of textile ash deposition and cleansing capability regarding clay, protein-rich and oxidizable soils in the presence of transient metal impurities.

Clay release agents suitable for use in the compositions of this invention are conventional copolymers or terpolymers of terephthalic acid with ethylene glycol and / or propylene glycol units in various configurations. Examples of such polymers are described in commonly assigned U.S. Pat. U.S. Pat.

4-116335 and 4.711730 and in European published patent application

No. O 272 033. A particularly preferred polymer, in accordance with EP-A-0 £ 272 033, is one having the formula (CH 3 (PEG) ₃ ) o.75 (POH) oC (T-PO) z, β (T-PEG) o, *] T (POΗ) No.2 5 ((PEG) 4.3 CH 3) 0.75 where PEG is - (OCxHt 10 O -, PO is (OC 3 H 0 O) and T is ( pcOC6HiCO).

Modified polyesters such as random copolymers of dimethyl terephthalate, dimethyl sulfoisophthalate, ethylene glycol and 1-2 propanediol are also very suitable. The end groups are primarily sulfobenzoate and secondly monoesters of ethylene glycol and / or propanediol. The object is to obtain a polymer having sulfobenzoate groups at both ends. Primarily in this context, most of the copolymers herein have sulfobenzoate groups at their ends. However, some copolymers will not in all cases have such groups at the ends, and therefore their terminal groups

The groups may be monoesters of ethylene glycol and / or propane. 1-2 diol, and the secondary will contain these kinds of molecules.

The polyesters selected here contain 4.6% by weight of dimethyl terephthalic acid, 16% by weight of propane-1,2-diol, 10% by weight of echylene glycol, 13% by weight of dimethylsulfobenzoic acid and 15% by weight of sulfoisophthalic acid, and have a molecular weight of 3000. method

IL preparations thereof are described in detail in EPA 311 342.

The detergent compositions of the present invention are in the form of liquid, paste, gel or granular. Particularly preferred are detergent compositions having a pH of 7 to 11, more preferably up to 10.5.

The granular compositions of the present invention may also be in a compact form, i.e. they may have a relatively higher density than conventional granular detergents. t j .... density .... 550th to. 950 —g / .l. .

in this case, the granular detergent compositions of the present invention will contain minor amounts of the inorganic salt used as filler, as compared to conventional granular detergents. Such typical inorganic salts are alkaline earth metal sulfates and chlorides, most typically sodium sulfate. Compact detergents typically contain a maximum of 10% salt as filler. The liquid compositions of the invention may also be in concentrated form. In such a case, the liquid detergent compositions of the present invention will contain less water than conventional liquid detergents. Typically, the water content of the concentrated liquid detergent is less than 30% by weight, more preferably less than 20% by weight, most preferably less than 10% by weight, based on the total weight of the detergent composition. Another example of liquid formulations is non-aqueous

Compositions which do not contain water in the composition. Both aqueous and non-aqueous liquid compositions can be structured or unstructured.

The present invention also relates to a method of inhibiting the transfer of solubilized and suspended dyes from one fabric to another that occurs during laundering of colorants.

η

The method comprises contacting fabrics with a wash solution as previously described.

The method of the invention is suitably applicable during the washing process. The washing process is preferably carried out at a temperature of 5 to 75 ° C, in particular 20 to 60 ° C, but the polymers are effective up to 95 ° C and above. The pH of said solution is preferably 7 to 10

11, in particular 7.5 to 10.5.

The method and compositions of the invention may also be used as detergent additive products. These additive products are used to enhance or enhance the performance of conventional detergent compositions. The detergent compositions of the present invention include compositions that are used to clean substrates such as fabrics, fibers, hard surfaces, skins, and the like. Examples are hard surface cleaners (with or without abrasives), laundry detergent compositions, dishwashing compositions for use in automatic dishwashers and for hand washing.

The following examples illustrate specific examples of the compositions of the present invention, but do not limit the scope of the invention in any way. The scope of the invention is determined by the claims which follow.

, 9

DETAILED DESCRIPTION OF THE INVENTION

Example 1 (A / B / C / D)

Liquid prepared in detergent following composition:

according to the invention is

% By weight based on the total weight of the detergent composition

AND 3 C 0 Linear alkylbenzenesulfonate 10 - --- - Fatty acid polyhydroxyamide - 5 - Alkylalkoxylated sulfate • - - 9 4 *. Alkylsulfate 4 3 4 15 Dec

Fatty acid alcohol ethoxylate

(Cl 2 - Cl 5) 12 12 12 5 n, 4k i ιίλ 1 Π i rj _ 4-3 Oleic acid 4 4 4 Citric acid 1 1 1 1 Diethylenetriaminpentamethylene 1.5 1.5 1.5 1.5 phosphonic acid NaOH 3.4 3.4 3.4 3.4 Propanediol 1.5 1.5 1.5 1.5 Ethanol 10 10 10 10 Ethoxylated tetraethylenepentamine 0.7 0.7 0, 7 0.7 Thermamyl R 300 KNU / g 0, 1 0, 1 0, 1 0, 1 Carezyme R 5000 CEVU / g 0.02 0.02 0.02 0.02 Protease 40 mg / g 1,8 ‘1.8 1,8 1.3 Lipolasa R 100 KLU / g 0.1 0, 1 0, 1 0, 1 Endoglucanase A 5000 CEVU / g 0.5 0.5 0, 5 0.5 Soap foam suppressor (IS0P0L ^r ) 2.5 2.5 2.5 2.5 Hz 02 7, 5 7.5 - - N-vinylimidazole N-vinylpyrrolido- new kooolymer 0, 1-1 0,1-1 0, 1-1 0,1-1 Minor admixtures to 100%

Example 2 (A / B / C / D)

Liquid prepared in detergent as follows composition:

according to the invention is

% By weight based on total detergent composition

AND (B) ................ C .............................. 0 Linear alkylbenzenesulfonate 10 - Fatty acid polyhydroxyamide - 5 - 3 Alkylalkoxylated sulfate - - 9 4 Alkylsulfate 4 WITH 4 15 Dec

Fatty acid alcohol ethoxylate

(Cl 2-Cl 5) 12 12 12 5 Fatty acid 10 10 10 10 Oleic acid 4 4 4 - Citric acid 1 1 1 1 Diethylenetriaminpentamethylene 1.5 1.5 1.5 1.5 phosphonic acid NaOH 3.4 3.4 3.4 3, 4 Propanediol 1.5 1.5 1.5 1.5 E thanol 10 10 10 10 Ethoxylated tetraethylenepentamine 0.7 0.7 0.7 0.7 Thermamyl R 300 KNU / g 0.1 0.1 0, 1 0, 1 Carezyme R 5000 CEVU / g 0.02 0.02 0.02 0.02 Protease 40 mg / g 1.3 1.3 1.3 1,8 Lipolasa R 100 KLU / g 0.1 0.1 0, 1 0, 1 Endoglucanase A 5000 CEVU / g 0.5 0.5 0.5 0.5 Soap foam suppressor (ISOFOL ^r ) 2.5 0 =, 2.5 2.5 H2O2 7.5 7.5 - - N-vinylimidazol N-vinylpyrrolido- new copolymer 0,1-1 0, 1-1 0,1-1 0, 1-1 Metal catalyst 0,1-1 0,1-1 0, 1-1 0,1-1 (4-vinylpyridine) -N-oxide poles 0, 1-1 0, 1-1 0,1-1 .0,1-1 Kaolin clay - - 4 4 Peroxidase 0.1 0.1 - - Minor admixtures to 100%

Example 3 (A / B / C / D)

The compact granular detergent composition of the present invention is prepared in the following composition:

% By weight based on the total weight of the detergent. . - .... ... · means

A _________ B .............. C___________p_________E

Linear alkylbenz ensulfonate ... 11.4. . __________ ______

Fatty acid polyhydroxyamide - 10

Alkyl Alkoxylated Sulfate Alkyl Sulfate C * 5 Alkyl Sulfate 7 x Ethoxylated

C * 5 alcohol

-1-1 — x — e-th-O-X-y-hun-a-n-y — aikoho-1z tallow

Dispersing agent Silicone fluid Sodium tripotrate Citric acid Zeolite

Diethylenetriaminepentamethylene phosphonic acid Maleic-acrylic acid copolymer Celulasa (active protein) Alkalasa / SAN Lipolasa

Sodium silicate

Sodium sulfate

Percarbonate

Perborate

TAED

N-vinylimidazole N-vinylpyrrolidone copolymer 0-1

Minor admixtures

- - 9 9 9 1.80 1.80 1.80 1.80 1.80 3.00 3.00 3.00 3.00 3.00 4.00 4.00 4.00 4.00 4.00 1.80 1.80 1.80 1.30 1.80 0.07 0.07 0.07 0.07 0.07 0.80 0.30 0.30 0.30 0.80 14.00 14.00 14.00 14.00 14.00 3.00 3.00 3, 00 3.00 3,00 32.50 32.50 32.50 32, 50 32.50 0.6 0.6 0.6 0.6 0, 6 5.00 5.00 5.00 5, 00 5, 00 0.03 0.03 0.03 0.03 0.03 0.60 0.60 0.60 0.60 0.60 0.36 0.36 0.36 0.36 0, 36 2.00 2.00 2.00 2.00 2.00 3, 50 3.50 3.50 3.50 3.50 - - - 20 May - 15 Dec 15 Dec 15 Dec - 5 - ' 5 5

0,1-1 0,1-1 0,1-1 up to 100%

Example 4 (A / B / C / D)

The compact granular detergent composition of the present invention is prepared in the following composition:

% By weight based on the total weight of the detergent composition

AND (B) C D E Linear alkylbenzenesulfonate 11.4 _ Fatty acid polyhydroxyamide 10 - - - Alkylalkoxylated sulfate - - 9 9 '9 Tallow alkyl sulfate 1.80 1.80 1.80 1.80 -1,80 C 1-5 alkylsulfate 3.00 3.00 3.00 3.00 3.00 7 x ethoxylated C »alcohol 4.00 4.00 .4,00 4.00 4.00 11 x ethoxylated tallow alcohol e 1.80 1.80 1.30 1.30 1.80 Dispersing agent 0.07 0.07 0.07 0, 07. 0.07 Silicone fluid 0.80 0.80 0.80 0, 80 0.80 Trisodium citrate 14.00 14.00 14.00 14.00 14.00 Citric acid 3.00 3.00 3.00 3.00 3.00 Zeolite 32.50 32.50 32.50 32, 50 32.50

Diethylentriam inpentamethylene-

phosphonic acid 0.6 0.6 0.6 0.6 0.6 Maleic acid copolymer and acrylic acid 5.00 5.00 5.00 5.00 5.00 Cellulase (active protein) 0.03 0.03 0.03 0.03 0.03 Savinase 0.60 0.60 0.60 0.60 0.60 Lipolasa 0.36 0.36 0.36 0.36 0.36 Sodium silicate 2.00 2.00 2.00 2, 00 2.00 Sodium sulfate 3.50 3.50 3.50 3.50 3.50 Percarbonate - - 20 May - Perborate 15 Dec 15 Dec 15 Dec - - TAED 5 - 5 5 -

N-vinylimidazole N-vinylpyrrolido-

new copolymer 0, 1-1 0, 1-1 0,1-1 0,1-1 0, 1-1 Metal catalyst 0,1-1 0, 1-1 0,1-1 0,1-1 0,1-1 Pol (4-Methylpyridine) -N-ox id 0,1-1 0 ', 1 -1 0,1-1 0,1-1 0, 1-1 Kaolin clay - - - 4 4 Perox idasa - 0, 1 0, 1 - - Minor admixtures to 100 Qx '9

2

The above compositions (Examples 1.2 A / B / C / D and Examples 2.4 A / B / C / D) had excellent properties, showed excellent washing and detergency performance, and also had excellent performance in terms of gentle behavior against colors of dyed fabrics and from the point of view of washing together colored and white fabrics.

Industrial applicability

The present invention relates to a composition for inhibiting dye transfer between fabrics during laundering and a method of inhibiting such dyeing. Further, the present invention relates to d-e-t-e-n-t-formulations comprising N-vinylimidazole N-vinylpyrrolidone copolymers of low average molecular weight.

Claims (11)

PATENT OV A detergent composition comprising N-vinylimidazole, characterized in that it has a range of 5000 to 50,000. N-vinylpyrrolidone copolymer average molecular weight 2. A detergent composition according to claim 1 wherein said copolymer has an average molecular weight in the range of 8000 to 30,000. 3. A detergent composition according to claim 1, wherein said copolymer has an average molecular weight in the range of 10,000 to 20,000. A detergent composition according to claims 1 to 3, further comprising a surfactant system wherein the surfactant is selected from nonionic and / or anionic and / or cationic and / or ampholytic and / or zwitterionic surfactants. and / or semipolar surfactants. 5. A detergent composition according to claims 1 to 4 wherein said surfactant system comprises a nonionic surfactant selected from the group of alkoxylated sulfates. 6. A detergent composition according to claims 4 and 5, comprising a surfactant selected from the group of anionic surfactants or cationic surfactants and / or amphoteric surfactants. 7. A detergent composition according to claim 1, further comprising an enzyme selected from the group of cellulases, peroxidases, amylases, and proteases, or mixtures thereof. ... = ... . .. 8. A detergent composition according to claim 7, wherein said enzyme is selected from or is a mixture of cellulases or peroxidases. 91. A detergent composition according to claims 1 to 7 further comprising kaolin clay. 10. A detergent composition as claimed in any one of claims 1 to 9 in the form of a granular, liquid, gel-like or paste-like form. The detergent composition according to claims 1 to 10, characterized in that the pH of the detergent composition is between 7 and 11, more preferably between 9 and 10.5. 12. A detergent composition as claimed in any one of claims 1 to 9 wherein the detergent additive is in the form of a non-dusty granule or liquid.