US3694141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of hair conditioning
Assignee: L'Oréal SA
•
Filing: 1968-08-01
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Granted: 1972-09-26
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Expires: 1988-08-01
Abstract
Abstract IN WHICH: COSMETIC COMPOSITION COMPRISING, IN A SUITABLE CARRIER, AT LEAST ONE ACTIVE COMPOUND INCLUDING BOTH AT LEAST ONE DISULFIDE FUNCTION AND AT LEAST ONE GROUP RESPONDING TO THE FORMULA: -N(-R)-CH2-O-R'' THE NITROGEN ATOM IN SAID GROUP BEING ATTACHED TO A REMAINDER WHICH IS SUFFICIENTLY ELECTROPHILE TO PREVENT THE IMMEDIATE RELEASE OF FORMOL. R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, A LOWER ALKYL, A HYDROXY-METHYL OR AN ALKOXY METHYL RADICAL; R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, AND A LOWER ALKYL RADICAL;
Inventors
- 👤 Gregorie Kalopissis
- 👤 Jean-Louis Abegg
- 👤 Guiliana Ghilardi
- 👤 Henri Philippe De Beaulieu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:50
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/39; C07C323/43; C07C323/44; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61Q; A61Q5/00; A61Q5/12
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |