US3216899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dye comprising m-lower-dialkyl aminophenol and p-mononuclear diamines
Assignee: Procter and Gamble Deutschland GmbH
•
Filing: 1964-05-05
•
Granted: 1965-11-09
•
Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Wilmsmann Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/411; A61K8/415; A61Q; A61Q5/00; A61Q5/10; D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A DYEING COMPOSITION FOR USE IN THE DYEING OF HUMAN HAIR ON HUMAN BEINGS, CONSISTING ESSENTIALLY OF A MONONUCLEAR AROMATIC P-DIAMINE, AN OXIDIZING AGENT AND M-LOWER-DIALKYL AMINOPHENOL.
Claim 2
Dependent Claim
27 words
A DYEING COMPOSITION FOR USE IN THE DYEING OF HUMAN HAIR ON HUMAN BEINGS, CONSISTING ESSENTIALLY OF A MONONUCLEAR AROMATIC P-DIAMINE, AN OXIDIZING AGENT AND M-LOWER-DIALKYL AMINOPHENOL.
References Cited (Backward Citations)
DE80814C
Cited
US3041244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |