US4472297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shampoo compositions containing hydroxypropyl guar gum
Assignee: Procter and Gamble Co
•
Filing: 1983-09-14
•
Granted: 1984-09-18
•
Expires: 2003-09-14
Abstract
Abstract Shampoo compositions which are cosmetically attractive, stable and which also have excellent performance properties. The compositions contain a hydroxypropyl guar gum, an alcohol, a surfactant, water and an electrolyte as essential components.
Inventors
- 👤 Raymond E. Bolich, Jr.
- 👤 Robert R. Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:51
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/737; A61K8/30; A61K8/33; A61K8/34; A61Q; A61Q5/00; A61Q5/02; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5422
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
87 words
A liquid shampoo comprising: (a) from about 0.1% to about 1.5% of a hydroxypropyl guar gum; (b) from about 0.5% to about 20% of an alcohol containing from about 1 to about 4 carbon atoms and from 1 to about 3 hydroxy groups; (c) from about 10% to about 50% of a synthetic anionic surfactant selected from the group consisting alkyl sulfates, ethoxylated alkyl sulfates and mixtures thereof; (d) from about 0.1% to about 7% of an electrolyte; and (e) from about 50% to about 95% water.
Claim 2
Dependent Claim
87 words
A liquid shampoo comprising: (a) from about 0.1% to about 1.5% of a hydroxypropyl guar gum; (b) from about 0.5% to about 20% of an alcohol containing from about 1 to about 4 carbon atoms and from 1 to about 3 hydroxy groups; (c) from about 10% to about 50% of a synthetic anionic surfactant selected from the group consisting alkyl sulfates, ethoxylated alkyl sulfates and mixtures thereof; (d) from about 0.1% to about 7% of an electrolyte; and (e) from about 50% to about 95% water.
Claim 3
Dependent Claim
22 words
A shampoo according to claim 1 wherein the hydroxypropyl guar gum has a molar substitution of from about 0.1 to about 1.0.
Claim 4
Dependent Claim
26 words
A shampoo according to claim 2 wherein the alcohol is selected from the group consisting of ethanol, methanol, propanol, isopropanol, glycerin, ethylene glycol and mixtures thereof.
Claim 5
Dependent Claim
29 words
A shampoo according to claim 3 wherein the electrolyte is selected from the group consisting of sodium sulfate, sodium chloride, ammonium chloride, monosodium phosphate, disodium phosphate, and mixtures thereof.
Claim 6
Dependent Claim
29 words
A shampoo according to claim 4 wherein the surfactant is selected from the group consisting of sodium alkyl sulfate, ammonium alkyl sulfate, sodium ethoxy(3) alkyl sulfate and mixtures thereof.
Claim 7
Dependent Claim
25 words
A shampoo according to claim 5 which in addition contains an alkanolamide of a fatty acid having from about 8 to about 18 carbon atoms.
Claim 8
Dependent Claim
24 words
A shampoo according to claim 6 wherein the hydroxy propyl guar gum is present at a level of from about 0.6% to about 1.0%.
Claim 9
Dependent Claim
24 words
A shampoo according to claim 7 wherein the alcohol is ethanol and is present at a level of from about 1% to about 6%.
Claim 10
Dependent Claim
21 words
A shampoo according to claim 8 wherein the surfactant is present at a level of from about 10% to about 20%.
Claim 11
Dependent Claim
22 words
A shampoo according to claim 9 wherein the hydroxypropyl guar gum has a molar substitution of from about 0.4 to about 0.9.
Claim 12
Dependent Claim
32 words
A shampoo according to claim 10 which in addition contains from about 0.1% to about 10% of an opacifier selected from the group consisting of ethylene glycol distearate, talc and mixtures thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |