EP0523956A2
Expired / Lapsed
EP
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Fabric care composition comprising water soluble or water dispersible copolymer containing UV-absorbing monomer
Assignee: Unilever PLC
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Filing: 1992-07-14
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Granted: —
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Expires: 2012-07-14
Abstract
Abstract The invention relates to novel water-dispersible or water-soluble copolymers which contain at least one UV-absorbing monomer and one hydrophilic monomer component. These copolymers may be used in fabric care compositions and provide anti-fading and soil release benefits.
Inventors
- 👤 Matthew Evan Unilever Research U.S. Inc. Langer
- 👤 Simon Richard Unilever Research Port Ellis
- 👤 John Frederick Unilever Research U.S. Inc Hessel
- 👤 Ferial Unilever Research U.S. Inc. Khorshahi
- 👤 Russell Jackson Unilever Research Port Ward
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 08:59
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3715; C11D3/3719
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
61 words
A fabric care composition comprising (a) about 1-75% by weight of a surfactant selected from the group consisting of soap, nonionic surfactant, anionic surfactant, ampholytic surfactant, zwitterionic surfactant, cationic surfactant and mixtures thereof; and (b) about 0.01 to 10% by weight of a water-soluble or water-dispersible copolymer containing a UV-absorbing monomer (absorbing in the 280-400 monomer range) and a hydrophilic group.
Claim 2
Dependent Claim
83 words
A composition according to claim 1 wherein the copolymer is a block copolymer having the formula: -(A) n -(B) m -(C) p - (I) wherein A is a monomer capable of absorbing ultraviolet radiation in the 280-400 monometer (nm) range and bears the appropriate bifunctionality for incorporation into the main chain of the polymer; B is a hydrophilic monomer; C is a hydrophobic monomer; n ranges from 1 to 500; m ranges from 5 to 500; and p ranges from 0 to 500.
Claim 3
Dependent Claim
184 words
A fabric care composition according to claim 1, having the formula wherein: R is a difunctional aryl group or a difunctional straight or branched alkyl chain having 4 to 16 carbons; R₁ is hydrogen, an aliphatic group having 1-20 carbons, an aryl, an alkaryl, a secondary amine, an alkali metal sulfonate, an alkali metal carboxylate, an alkyl ether or a halogen atom; R₂ is a straight or branched chain alkoxy group having 1 to 16 carbons, an aryl or a substituted aryl group; R₃ is a straight or branch chain alkyl group having 1 to 16 carbons; R₄ is a UV-absorbing monomer absorbing in the UVB (280-320 nm) and/or UVA (320-400 nm) range; x is selected such that the hydrophobe comprises 0-49.9% of the polymer. y is selected such that the R₂ group comprises 0-49.9 mol% of the polymer; z is selected such that the (OR₃) group comprises 0 to 49.9 mol% of the polymer wherein n is an integer between 2 and 200; and w is selected such that R₄ comprises 0.05-99.9 mol% polymer; and w plus z equals at least 0.05 mol%.
Claim 4
Dependent Claim
14 words
A composition according to claim 3, wherein R is a difunctional benzene or naphthalene.
Claim 5
Dependent Claim
22 words
A composition according to claim 3, wherein R₁ is hydrogen or a straight chain alkyl group having 1 to 12 carbon atoms.
Claim 6
Dependent Claim
15 words
A composition according to claim 3, wherein R₂ is an alkoxy group having 1-4 carbons.
Claim 7
Dependent Claim
13 words
A composition according to claim 3 where R is and R₁ is hydrogen
Claim 8
Dependent Claim
10 words
A composition according to claim 3 wherein R₂ is -OCH₂CH₂-
Claim 9
Dependent Claim
10 words
A composition according to claim 3 wherein R₃ is -CH₂CH₂-
Claim 10
Dependent Claim
23 words
A composition according to claim 3 wherein R₄ is a highly conjugated and/or poly(ene)-based derivative and/or aromatic based derivative bearing a difunctional group.
Claim 11
Dependent Claim
9 words
A composition according to claim 3 wherein R₄ is
Claim 12
Dependent Claim
36 words
A composition according to claim 3 wherein R is and R₁ is H; R₂ = -OCH₂CH₂-; R₃ = -CH₂CH₂-; and R₄ is a highly conjugated and/or poly(ene)-based derivative and/or aromatic based derivative having a difunctional group.
Claim 13
Dependent Claim
22 words
A composition according to claim 3 wherein R is and R₁ is H; R₂ = -OCH₂CH₂-; R₃ = -CH₂CH₂-; and R₄ =
Claim 14
Dependent Claim
24 words
A composition according to claim 3 prepared by polymerizing a mixture of dimethyl terephthalate, ethylene glycol, polyethylene glycol of MW 200-3000 and methyl 4-aminobenzoate.
Claim 15
Dependent Claim
121 words
A composition according to claim 1, wherein the composition is a heavy duty liquid detergent comprising: from 1-75% by weight of a detergent-active compound, wherein the detergent active compound includes 0 to 40% of an anionic surfactant selected from the group consisting of alkyl benzene sulfonates, alkyl sulfates, and alkyl ethoxy sulfates in combination with 0 to 40% of a nonionic surfactant selected from the group consisting of alcohol alkoxylates, alkyl phenol alkoxylates, alkyl polyglucosides, and alkyl glycerol ethers; and from 0 to 30% of a detergent builder selected from the group consisting of alkali metal salts of citric acid, copolymers of acrylic and maleic acid, oxydisuccinate, tartrate monosuccinate/tartrate disuccinate, C₈ to C₁₈ carboxylic acids, zeolites, condensed phosphates, and combinations thereof.
Claim 16
Dependent Claim
7 words
A composition according to claim 15 comprising:
Claim 17
Dependent Claim
13 words
A composition according to claim 1, wherein the composition is a powdered detergent.
Claim 18
Dependent Claim
134 words
A composition according to claim 17 comprising: a) from 0 to about 40% anionic surfactant selected from the group consisting of alkali metal or ammonium salts of alkyl benzene sulfonates, alkyl sulfates, alkyl ether sulfates; b) from 0 to about 40% of a nonionic surfactant selected from the group consisting of alkyl alkoxylates, alkylphenol alkoxylates, alkyl polyglucosides, and alkyl glycerol ethers; c) from 5 to about 70% of a detergent builder selected from the group consisting of sodium tripolyphosphate, sodium aluminosilicates, sodium C₈-C₁₈ alkyl carboxylates, poly(acrylic acid) and copolymers of acrylic and maleic acid, alkyl ether carboxylates, citric acid and combinations thereof; d) from 2 to about 40% of an alkalinity buffer selected from the group consisting of sodium silicate, sodium carbonate, and organic amines; and e) from 0 to about 40% sodium sulfate.
Claim 19
Dependent Claim
14 words
A composition according to claim 1, wherein the composition is a fabric softener composition.
Claim 20
Dependent Claim
95 words
A composition according to claim 19, comprising from 2 to about 40% of a mixture comprising: a) from 0 to about 95% of a cationic ammonium salt selected from the group consisting of alkyl or alkaryl quaternary ammonium salts, alkylpyridinium salts, and substituted imidazolinium salts; b) from 0 to about 95% of primary, secondary or tertiary amines; c) from 0 to about 95% of the condensation product of a C₈ to C₁₈ alkyl carboxylic acid and an alkylpolyamine; and d) from 0 to about 40% of a polysiloxane or alkyl, alkoxy, or alkylamine modified polysiloxane.
Claim 21
Dependent Claim
52 words
A composition according to claim 20, wherein the cationic softener is an ester-linked quaternary material having the formula wherein each R₁ group is independently selected from C₁₋₄ alkyl, alkenyl or hydroxyalkyl groups-; each R₂ group is independently selected from C₁₂₋₁₄ or alkenyl groups; T is and n is an integer from 0-5.
Claim 22
Dependent Claim
14 words
A composition according to claim 1, wherein the composition is a fabric dryer sheet.
Claim 23
Dependent Claim
82 words
A composition according to claim 22, comprising a) from 5 to 40% of a fabric softening or antistatic agent selected from the group consisting of cationic alkyl or alkaryl ammonium salts, alkyl pyridinium salts, alkyl amines, clays and poly siloxanes; b) from 2 to about 90% of a dispersing agent selected from group consisting of urea, ammonium carbonate, ethoxylated alkonols, polyethylene glycols, and block copolymers of a polethylene glycol and polypropylene glycol; and c) a backing strip or sheet carrying said composition.
References Cited (Backward Citations)
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