US3743715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer of n-vinyl pyrrolidone/vinyl ester/unsaturated monobasic carboxylic acid in a hair lacquer or lotion
Assignee: L'Oréal SA
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Filing: 1970-05-04
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Granted: 1973-07-03
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Expires: 1990-05-04
Abstract
Abstract HAIR LACQUER AND LOTION COMPOSITIONS CONTAINING IN A COSMETICALLY ACCEPTABLE VEHICLE OR CARRIER A COPOLYMER OF 40-90 WEIGHT PERCENT N-VINYL PYRROLIDONE, 5-40 WEIGHT PERCENT VINYL ESTER AND 3-20 WEIGHT PERCENT UNSATURATED MONOBASIC CARBOXYLIC ACID.
Inventors
- 👤 A Viout
- 👤 C Papantoniou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:56
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02; Y10S524/00; Y10S524/903
Claims Analysis
Total Claims: 0
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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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |