Patent EP0199403A2 successfully refreshed from Google Patents.
EP0199403A2
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Stable liquid detergent compositions
Assignee: Procter and Gamble Co
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Filing: 1986-04-07
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Granted: —
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Expires: 2006-04-07
Abstract
Abstract Heavy-duty liquid detergents containing an essential block polyester soil release agent; anionic surfactant; ethoxylated non-ionic surfactant; optional quaternary ammonium, amine, amide, or amine oxide surfactant; preferably fatty acid and/or poly-carboxylate builders; a neutralization system preferably comprising sodium, potassium and/or low levels of alkanolamines; and a solvent system comprising ethanol, polyol and/or water. The compositions are isotropic liquids providing a high level of detergency performance.
Inventors
- 👤 Eugene Paul Gosselink
- 👤 Larry James Hughes
- 👤 Antoinette Louise Larrabee
- 👤 Robert Mermelstein
- 👤 Nodie Monroe Washington
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 16:56
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3715; C11D1/00; C11D1/86; C11D3/0005; C11D3/0036; C11D1/02; C11D1/12; C11D1/14; C11D1/22; C11D1/29; C11D1/38; C11D1/42; C11D1/44; C11D1/52; C11D1/521; C11D1/523; C11D1/62; C11D1/66; C11D1/72; C11D1/75
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
485 words
A heavy-duty liquid detergent composition comprising, by weight: (a) from about 10% to about 35%, of an anionic surfactant on an acid basis; (b) from 0% to about 15% of an ethoxylated nonionic surfactant of the formula R 1 (OC 2 H 4 ) n OH, wherein R' is a C 10 -C 16 alkyl group or a C 8 -C 12 alkyl phenyl group, n averages from about 3 to about 9, and said nonionic surfactant has an HLB of from about 10 to about 13; (c) from about 0% to about 15% of a cosurfactant selected from the group consisting of: (i) quaternary ammonium surfactants having the formula: wherein R 2 is an alkyl or alkyl benzyl group having from about 6 to about 16 carbon atoms in the alkyl chain; each R 3 is selected from the group consisting of -CH 2 CH 2 -, -CH 2 CH(CH 3 )-, -CH 2 CH(CH 2 OH)-, -CH 2 CH 2 CH 2 -, and mixtures thereof; each R' is selected from the group consisting of C 1 -C 4 alkyl. C 1 -C 4 hydroxyalkyl, benzyl, and hydrogen when y is not 0: R 5 is the same as R 4 or is an alkyl chain wherein the total number of carbon atoms of R 2 plus R S is from about 8 to about 16: each y averages from 0 to about 10 and the sum of the y values is from 0 to about 15; and X is any compatible anion; (ii) amine surfactants having the formula: wherein R 2 , R 3 , R', R 5 and y are as defined above; (iii) amine oxide surfactants having the formula: wherein R 2 , R 3 , R 4 , R 5 and y are as defined above; (iv) an amide surfactant of the formula: wherein R 6 is an alkyl, hydroxyalkyl or alkenyl radical containing from about 8 to about 20 carbon atoms, and R 7 and R 8 are each selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, 2-hydroxyethyl, 2-hydroxypropyl, 3-hydroxypropyl, and wherein said radicals additionally contain up to about 5 ethylene oxide units; and (v) mixtures thereof; (d) from about 5% to about 30% of detergent builder; (e) a neutralization system; (f) an aqueous solvent system; (g) from about 0.25% to about 4% of a soil release component which comprises an effective amount of a soil release compound having the formula: wherein each R' moiety is a phenylene moiety, each R 2 is an ethylene or a 1,2-propylene moiety; each n averages from about 10 to about 50, each X is H, or an alkyl or an acyl radical containing from 1 to about 4 carbon atoms, and u is a range of values from about 3 to about 5, with only minimal amounts of compounds being present in which u is 6 or more.
Claim 2
Dependent Claim
485 words
A heavy-duty liquid detergent composition comprising, by weight: (a) from about 10% to about 35%, of an anionic surfactant on an acid basis; (b) from 0% to about 15% of an ethoxylated nonionic surfactant of the formula R 1 (OC 2 H 4 ) n OH, wherein R' is a C 10 -C 16 alkyl group or a C 8 -C 12 alkyl phenyl group, n averages from about 3 to about 9, and said nonionic surfactant has an HLB of from about 10 to about 13; (c) from about 0% to about 15% of a cosurfactant selected from the group consisting of: (i) quaternary ammonium surfactants having the formula: wherein R 2 is an alkyl or alkyl benzyl group having from about 6 to about 16 carbon atoms in the alkyl chain; each R 3 is selected from the group consisting of -CH 2 CH 2 -, -CH 2 CH(CH 3 )-, -CH 2 CH(CH 2 OH)-, -CH 2 CH 2 CH 2 -, and mixtures thereof; each R' is selected from the group consisting of C 1 -C 4 alkyl. C 1 -C 4 hydroxyalkyl, benzyl, and hydrogen when y is not 0: R 5 is the same as R 4 or is an alkyl chain wherein the total number of carbon atoms of R 2 plus R S is from about 8 to about 16: each y averages from 0 to about 10 and the sum of the y values is from 0 to about 15; and X is any compatible anion; (ii) amine surfactants having the formula: wherein R 2 , R 3 , R', R 5 and y are as defined above; (iii) amine oxide surfactants having the formula: wherein R 2 , R 3 , R 4 , R 5 and y are as defined above; (iv) an amide surfactant of the formula: wherein R 6 is an alkyl, hydroxyalkyl or alkenyl radical containing from about 8 to about 20 carbon atoms, and R 7 and R 8 are each selected from the group consisting of hydrogen, methyl, ethyl, propyl, isopropyl, 2-hydroxyethyl, 2-hydroxypropyl, 3-hydroxypropyl, and wherein said radicals additionally contain up to about 5 ethylene oxide units; and (v) mixtures thereof; (d) from about 5% to about 30% of detergent builder; (e) a neutralization system; (f) an aqueous solvent system; (g) from about 0.25% to about 4% of a soil release component which comprises an effective amount of a soil release compound having the formula: wherein each R' moiety is a phenylene moiety, each R 2 is an ethylene or a 1,2-propylene moiety; each n averages from about 10 to about 50, each X is H, or an alkyl or an acyl radical containing from 1 to about 4 carbon atoms, and u is a range of values from about 3 to about 5, with only minimal amounts of compounds being present in which u is 6 or more.
Claim 3
Dependent Claim
31 words
The composition of Claim 1 wherein in component (g), n ranges from about 10 to about 25 and from about 90% to 100% of the R 2 moieties are 1,2-propylene moieties.
Claim 4
Dependent Claim
19 words
The composition of Claim 2 wherein X is an alkyl radical containing from about 1 to 2 carbon atoms.
Claim 5
Dependent Claim
7 words
The composition of Claim 2 wherein component
Claim 6
Dependent Claim
20 words
(g) is a fraction of polymers soluble in absolute ethanol at a temperature of from about 10°C to about 15°C.
Claim 7
Dependent Claim
20 words
(g) is a fraction of polymers soluble in absolute ethanol at a temperature of from about 10°C to about 15°C.
Claim 8
Dependent Claim
27 words
The composition of Claim 1 wherein component (g) is a fraction of polymers soluble in absolute ethanol at a temperature of from about 10°C to about 15°C.
Claim 9
Dependent Claim
155 words
The composition of Claim 5 wherein the anionic surfactant comprises: (a) from about 5% to about 15%, on an acid basis, of a sulfonate surfactant containing a C, o -C 16 alkyl or alkenyl group; and (b) from about 8% to about 18%, an an acid basis, of an alcohol ethoxylate sulfate surfactant of the formula RO(C 2 H 4 O) m SO 3 M, wherein R is a C 10 -C 16 alkyl or hydroxyalkyl group, m is from about 0.5 to about 4, and M is a compatible cation; and (c) from about 2% to about 15% of an ethoxylated nonionic surfactant of the formula R'-(OC 2 H 4 ) n OH, wherein R' is a C 10 -C 16 alkyl group or a C 8 -C 12 alkyl phenyl group, n is from about 3 to about 9, and said nonionic surfactant has an HLB of from about 10 to about 13.
Claim 10
Dependent Claim
120 words
The composition of Claim 5 wherein the anionic surfactant comprises: (a) from about 5% to about 15%, on an acid basis, of a sulfonate surfactant containing a C, o -C, 6 alkyl or alkenyl group; and (b) from about 1% to about about 4%, on an acid basis, of a C 10 -C 16 alkyl sulfate; and (c) from about 2% to about 15% of an ethoxylated nonionic surfactant of the formula R'-(OC 2 H 4 ) n OH, wherein R' is a C 10 -C 16 alkyl group or a C 8 -C 12 alkyl phenyl group, n is from about 3 to about 9, -and said nonionic surfactant has an HLB of from about 10 to about 13.
Claim 11
Dependent Claim
66 words
The composition of Claim 5 wherein the sulfonate surfactant is a C 11 -C 13 linear alkylbenzene sulfonate; in the alcohol ethoxylate sulfate surfactant, R is a C 12 -C 15 alkyl group and m is from about 1.5 to about 3; and in the ethoxylated nonionic surfactant, R is a C 12 -C 14 alkyl group and n is from about 3 to about 7.
Claim 12
Dependent Claim
28 words
The composition of Claim 8 comprising from about 0.5% to about 3% of the cosurfactant, which is a C 10 -C 14 alkyl trimethylammonium chloride, bromide or methylsulfate.
Claim 13
Dependent Claim
12 words
The composition of Claim 8 wherein the builder comprises a polycarboxylate builder.
Claim 14
Dependent Claim
62 words
The composition of Claim 8 comprising from about 6% to about 10% of the sulfonate surfactant, from about ;9% to about 14% of the alcohol ethoxylate sulfate surfactant, from about 4% to about 10% of the ethoxylated nonionic surfactant, and from about 0.5% to about 1.5% of the cosurfactant, which is a C 10 -C 14 alkyl trimethylammonium chloride, bromide or methylsulfate.
Claim 15
Dependent Claim
30 words
The composition of Claim 11 in which the builder comprises from about 10% to about 16% of saturated fatty acid and from about 3% to about 6% of citric acid.
Claim 16
Dependent Claim
23 words
The composition of Claim 12 comprising from 0 to about 0.035 moles per 100 grams of composition of the alkanolamine, which is monoethanolamine.
Claim 17
Dependent Claim
36 words
The composition of Claim 13 comprising from about 5% to about 9% of ethanol, from about 3% to about 10% of the polyol, which is propylene glycol, and from about 28% to about 37% of water.
Claim 18
Dependent Claim
28 words
The composition of Claim 14 having an initial pH of from about 7.8 to about 9.0 at a concentration of 10% by weight in water at 68°F (20°C).
Claim 19
Dependent Claim
108 words
The process of preparing a soil release component having the formula: in which each X is selected from the group consisting of hydrogen, alkyl groups containing from one to about four carbon atoms, acyl groups containing from 2 to about four carbon atoms, n averages from about 10 to about 50, and there is substantially no material in which u is greater than five, comprising the step of dissolving a soil release component comprising the desired material and a substantial amount of material in which u is greater than five in absolute ethanol at a temperature of from about 10°C to about 15°C and separating the precipitating material.
Claim 20
Dependent Claim
108 words
The process of preparing a soil release component having the formula: in which each X is selected from the group consisting of hydrogen, alkyl groups containing from one to about four carbon atoms, acyl groups containing from 2 to about four carbon atoms, n averages from about 10 to about 50, and there is substantially no material in which u is greater than five, comprising the step of dissolving a soil release component comprising the desired material and a substantial amount of material in which u is greater than five in absolute ethanol at a temperature of from about 10°C to about 15°C and separating the precipitating material.
Claim 21
Dependent Claim
13 words
The ethanol soluble soil release component obtained by the process of Claim 16.
Claim 22
Dependent Claim
28 words
The component of Claim 17 wherein n ranges from about 10 to about 25 and from about 90% to 100% of the R 2 moieties are 1,2-propylene moieties.
Claim 23
Dependent Claim
21 words
The component of Claim 17 wherein each X is an alkyl group containing from about 1 to about 2 carbon atoms.
Claim 24
Dependent Claim
14 words
The component of Claim 17 comprising essentially material wherein u is 3 to 5.
References Cited (Backward Citations)
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