US3206363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and process for solvent dyeing with tetraloweralkyl ureas
Assignee: P&G Hair Care Holding Inc
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Filing: 1962-08-29
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Granted: 1965-09-14
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Hans Z Lecher
- 👤 Alperin George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:08
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6491; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/3058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
AN AQUEOUS DYEING COMPOSITION CONTAINING: (A) FROM ABOUT 0.1% TO 10% OF A UREA DERIVATIVE HAVING A MELTING POINT LESS THAN 40*C. AND HAVING THE FORMULA:
Claim 2
Dependent Claim
26 words
AN AQUEOUS DYEING COMPOSITION CONTAINING: (A) FROM ABOUT 0.1% TO 10% OF A UREA DERIVATIVE HAVING A MELTING POINT LESS THAN 40*C. AND HAVING THE FORMULA:
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |