Patent US3969500A successfully refreshed from Google Patents.
US3969500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shampoo containing a water-soluble linear carboxylic polymer
Assignee: Lever Brothers Co
•
Filing: 1974-09-03
•
Granted: 1976-07-13
•
Expires: 1994-09-03
Abstract
Abstract The invention concerns a shampoo which improves the lustre and combability of the hair and which comprises an aqueous solution of a non-soap synthetic anionic detergent and from 0.05 to 5% by weight of certain water-soluble carboxylic linear polymers, preferably poly(methacrylic acid) of molecular weight between 10,000 and 100,000.
Inventors
- 👤 Malcolm George Kennerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:16
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8164; A61K8/30; A61K8/46; A61K8/463; A61K8/8141; A61K8/8147; A61Q; A61Q5/00; A61Q5/02; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5424; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A shampoo which improves the lustre and ease of combing of the hair comprising an aqueous solution having a pH value of from about 3 to about 10 of i. from about 5 to about 50% by weight of a non-soap synthetic anionic detergent selected from the group consisting of an alkyl sulphate, an alkyl ether sulphate, an alkyl sulphonate, an alkyl benzene sulphonate and a sulphosuccinate; and ii. from 0.05 to 5% by weight of a water soluble carboxylic linear polymer having a molecular weight of about 1,000 to about 500,000 which contains repeating carboxylic acid units selected from the formulae consisting of: ##EQU4## and ##EQU5## wherein R 2 is H or CH 3 and R 3 is H or OCH 3 , or the water soluble salt thereof.
Claim 2
Dependent Claim
130 words
A shampoo which improves the lustre and ease of combing of the hair comprising an aqueous solution having a pH value of from about 3 to about 10 of i. from about 5 to about 50% by weight of a non-soap synthetic anionic detergent selected from the group consisting of an alkyl sulphate, an alkyl ether sulphate, an alkyl sulphonate, an alkyl benzene sulphonate and a sulphosuccinate; and ii. from 0.05 to 5% by weight of a water soluble carboxylic linear polymer having a molecular weight of about 1,000 to about 500,000 which contains repeating carboxylic acid units selected from the formulae consisting of: ##EQU4## and ##EQU5## wherein R 2 is H or CH 3 and R 3 is H or OCH 3 , or the water soluble salt thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-13 | 1980-01-12 | 1980-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-13 | 1984-01-12 | 1984-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-13 | 1988-01-12 | 1988-07-13 | $7700.00 | Window Closed / Lapsed |