US4491539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid cleansing product with skin feel additives
Assignee: Procter and Gamble Co
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Filing: 1983-04-27
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Granted: 1985-01-01
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Expires: 2003-04-27
Abstract
Abstract Liquid cleansing products comprise about 5 to 30% of surfactant, about 0.1 to 1.0% of guar material, about 0.15 to 1.0% of carboxyvinyl polymer, and water.
Inventors
- 👤 James J. Hoskins
- 👤 Adriaan Kessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:39
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/30; A61K8/46; A61K8/463; A61K8/73; A61K8/737; A61Q; A61Q19/00; A61Q19/10; C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/225; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5422; A61K2800/5424
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
179 words
A liquid cleansing product having desirable skin feel characteristics and having good stability against phase separation, said product comprising: (a) from about 5% to about 30% of surfactant; (b) from about 0.1% to about 1.0% of guar gum material selected from the group consisting of guar gum and hydroxypropyl guar gum; (c) from about 0.15% to about 1.0% of carboxyvinyl polymer having a molecular weight of at least about 750,000, said carboxyvinyl polymer comprising an interpolymer of a monomeric mixture comprising a monomeric polymerizable, alpha-beta monoolefinically unsaturated lower aliphatic carboxylic acid, and from about 0.1% to about 10% by weight of the total monomers of a polyether of a polyol selected from the class consisting of oligosaccharides, reduced derivatives thereof in which the carbonyl group is converted to an alcohol group, and pentaerythritol, the hydroxyl groups of said polyol which are modified being etherified with allyl groups said polyol having at least two allyl ether groups per polyol molecule; (d) a ratio of guar gum material to carboxyvinyl polymer of from about 2.5:1 to about 1:2.5; and (e) water.
Claim 2
Dependent Claim
179 words
A liquid cleansing product having desirable skin feel characteristics and having good stability against phase separation, said product comprising: (a) from about 5% to about 30% of surfactant; (b) from about 0.1% to about 1.0% of guar gum material selected from the group consisting of guar gum and hydroxypropyl guar gum; (c) from about 0.15% to about 1.0% of carboxyvinyl polymer having a molecular weight of at least about 750,000, said carboxyvinyl polymer comprising an interpolymer of a monomeric mixture comprising a monomeric polymerizable, alpha-beta monoolefinically unsaturated lower aliphatic carboxylic acid, and from about 0.1% to about 10% by weight of the total monomers of a polyether of a polyol selected from the class consisting of oligosaccharides, reduced derivatives thereof in which the carbonyl group is converted to an alcohol group, and pentaerythritol, the hydroxyl groups of said polyol which are modified being etherified with allyl groups said polyol having at least two allyl ether groups per polyol molecule; (d) a ratio of guar gum material to carboxyvinyl polymer of from about 2.5:1 to about 1:2.5; and (e) water.
Claim 3
Dependent Claim
46 words
The liquid cleansing product of claim 1 wherein said monomeric monoolefinically-unsaturated carboxylic acid is a monomeric monoolefinic acrylic acid of the structure ##STR4## where R is a substituent selected from the class consisting of hydrogen and lower alkyl groups, and wherein said polyol is an oligosaccharide.
Claim 4
Dependent Claim
22 words
The liquid cleansing product of claim 1 wherein said monomeric monoolefinically-unsaturated carboxylic acid is acrylic acid, and wherein said polyol is sucrose.
Claim 5
Dependent Claim
25 words
The liquid cleansing product of claim 3 wherein said polyether of sucrose comprises from about 0.2% to about 2.5% by weight of the total monomers.
Claim 6
Dependent Claim
36 words
The liquid cleansing product of claim 3 wherein said polyether of sucrose comprises about 1% by weight of the total monomers and wherein said sucrose has at least about five allyl ether groups per sucrose molecule.
Claim 7
Dependent Claim
19 words
The liquid cleansing product of claim 5 wherein said carboxyvinyl polymer has molecular weight of at least about 1,250,000.
Claim 8
Dependent Claim
26 words
The liquid cleansing product of claim 1 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of less than about 1.2.
Claim 9
Dependent Claim
26 words
The liquid cleansing product of claim 3 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of less than about 1.2.
Claim 10
Dependent Claim
28 words
The liquid cleansing product of claim 4 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of from about 0.3 to about 0.8.
Claim 11
Dependent Claim
28 words
The liquid cleansing product of claim 5 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of from about 0.3 to about 0.8.
Claim 12
Dependent Claim
24 words
The liquid cleansing product of claim 1 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of about 0.6.
Claim 13
Dependent Claim
24 words
The liquid cleansing product of claim 6 wherein said guar gum material is hydroxypropyl guar gum having a degree of substitution of about 0.6.
Claim 14
Dependent Claim
24 words
The liquid cleansing product of claim 1 wherein said surfactant is selected from the group consisting of anionic and nonionic detergents, and mixtures thereof.
Claim 15
Dependent Claim
24 words
The liquid cleansing product of claim 9 wherein said surfactant is selected from the group consisting of anionic and nonionic detergents, and mixtures thereof.
Claim 16
Dependent Claim
42 words
The liquid cleansing product of claim 1 wherein said surfactant is selected from the group consisting of alkali metal and ammonium alkyl sulfate, alkali metal and ammonium alkyl ethoxy sulfate, and the monoethanol and diethanol amides of fatty acids, and mixtures thereof.
Claim 17
Dependent Claim
42 words
The liquid cleansing product of claim 9 wherein said surfactant is selected from the group consisting of alkali metal and ammonium alkyl sulfate, alkali metal and ammonium alkyl ethoxy sulfate, and the monoethanol and diethanol amides of fatty acids, and mixtures thereof.
Claim 18
Dependent Claim
31 words
The liquid cleansing product of claim 10 wherein said surfactant is selected from the group consisting of sodium alkyl sulfate, sodium alkyl ethoxy(3) sulfate, and coconut monoethanol amide, and mixtures thereof.
Claim 19
Dependent Claim
43 words
The liquid cleansing product of claim 1 wherein said cleansing product comprises from about 10% to about 30% of said surfactant, from about 0.2% to about 0.5% of said guar gum material, and from about 0.2% to about 0.5% of said carboxyvinyl polymer.
Claim 20
Dependent Claim
43 words
The liquid cleansing product of claim 14 wherein said cleansing product comprises from about 10% to about 30% of said surfactant, from about 0.2% to about 0.5% of said guar gum material, and from about 0.2% to about 0.5% of said carboxyvinyl polymer.
Claim 21
Dependent Claim
43 words
The liquid cleansing product of claim 17 wherein said cleansing product comprises from about 10% to about 30% of said surfactant, from about 0.2% to about 0.5% of said guar gum material, and from about 0.2% to about 0.5% of said carboxyvinyl polymer.
Claim 22
Dependent Claim
21 words
The liquid cleansing product of claim 19 wherein said cleansing product comprises from about 15% to about 25% of said surfactant.
Claim 23
Dependent Claim
41 words
The liquid cleansing product of claim 11 wherein said carboxyvinyl polymer comprises polyacrylic acid cross-linked with about 1% of polyallyl sucrose having an average of about 5.8 allyl groups for each sucrose molecule, said carboxyvinyl polymer having a high molecular weight.
Claim 24
Dependent Claim
42 words
The liquid cleansing product of claim 22 wherein said surfactant is selected from the group consisting of alkali metal and ammonium alkyl sulfate, alkali metal and ammonium alkyl ethoxy sulfate, and the monoethanol and diethanol amides of fatty acids, and mixtures thereof.
Claim 25
Dependent Claim
43 words
The liquid cleansing product of claim 23 wherein said cleansing product comprises from about 10% to about 30% of said surfactant, from about 0.2% to about 0.5% of said guar gum material, and from about 0.2% to about 0.5% of said carboxyvinyl polymer.
Claim 26
Dependent Claim
41 words
The liquid cleansing product of claim 1 wherein said carboxyvinyl polymer comprises polyacrylic acid cross-linked with about 1% of polyallyl sucrose having an average of about 5.8 allyl groups for each sucrose molecule, said carboxyvinyl polymer having a high molecular weight.
References Cited (Backward Citations)
US2798053A
Cited
US3697644A
Cited
US3591680A
Cited
US3939260A
Cited
US3880672A
Cited
US3984342A
Cited
US4189469A
Cited
US4113854A
Cited
US4235898A
Cited
EP0067025A2
Cited
US4414144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |