US3579629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts of copolymers of vinyl acetate/crotonic acid/vinylic or allylic or methallyic esters in hair cosmetics
Assignee: L'Oréal SA
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Filing: 1967-07-25
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Granted: 1971-05-18
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Expires: 1987-07-25
Abstract
Abstract COMPOSITIONS CONTAINING COPOLYMERS FOR USE AS HAIR DRESSING PREPARATIONS. THE COPOLYMERS CONSIST OF VINYL ACETATE, CROTONIC ACID AND EITHER A VINYLIC ESTER, ALLYLIC ESTER OR METHALLYLIC ESTER.
Inventors
- 👤 Andre Viout
- 👤 Regine Pasero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:22
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F218/08; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02; Y10S526/00; Y10S526/936
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |