US3694138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing human hair with n,n-diaryl alkylenediamine oxidation dye compositions
Assignee: L'Oréal SA
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Filing: 1969-07-31
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Granted: 1972-09-26
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Expires: 1989-07-31
Abstract
Abstract N,N''-DIARYL ALKYLENEDIAMINE OXIDATION DYE COMPOSITIONS THAT ARE SUITABLE FOR DYEING LIVE HUMAN HAIR ARE DISCLOSED.
Inventors
- 👤 Gregoire Kalopissis
- 👤 Andree Bugaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/411; A61Q; A61Q5/00; A61Q5/10; D; D06; D06P; D06P1/00; D06P1/32
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) | 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 |