US3597468A
Expired / Lapsed
US
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Colored amine reacted polymers
Assignee: L'Oréal SA
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Filing: 1966-09-02
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Granted: 1971-08-03
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Expires: 1986-09-02
Abstract
Abstract HAIR COLORING POLYMERS HAVING ANHYDRIDE OR ACID HALIDE GROUPS, WHICH HAVE REACTED WITH DYES HAVING EXTRA NUCLEAR AMINE AND/OR HYDROXYL GROUPS.
Inventors
- 👤 Gregorie Kalopissis
- 👤 Andre Viout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:15
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/35; A61K8/355; A61K8/40; A61K8/41; A61K8/418; A61K8/49; A61K8/4906; A61K8/4926; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61K8/8164; C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F22/00; C08F22/36; C08F8/00; C08F8/14; C08F8/30; C08F8/32; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/28; C09B1/285; C09B69/00; C09B69/10; H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; Y; Y10; Y10S; Y10S534/00; Y10S534/03
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |