US3271258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melamine and dicyandiamide as depilatory accelerators
Assignee: L'Oréal SA
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Filing: 1963-06-19
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Granted: 1966-09-06
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Zviak Charles
- 👤 Rouet Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:30
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/40; A61K8/43; A61K8/49; A61K8/494; A61K8/4966; A61Q; A61Q9/00; A61Q9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A DEPILATORY COMPOSITION COMPRISING: (A) ONE PART OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, CALCIUM THIOGLYCOLATE, STRONTIUM THIOGLYCOLATE, THIOLACTIC ACID CALCIUM THIOLACTATE AND STRONTIUM THIOLACTATE, AND (B) ONE-HALF TO TWO PARTS OF AN ACCELERATOR COMPRISING AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MELAMINE AND DICYANDIAMIDE, (C) SAID COMPOSITION HAVING A PH OF SUBSTANTIALLY 12 WHEN MIXED WITH WATER.
Claim 2
Dependent Claim
67 words
A DEPILATORY COMPOSITION COMPRISING: (A) ONE PART OF AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, CALCIUM THIOGLYCOLATE, STRONTIUM THIOGLYCOLATE, THIOLACTIC ACID CALCIUM THIOLACTATE AND STRONTIUM THIOLACTATE, AND (B) ONE-HALF TO TWO PARTS OF AN ACCELERATOR COMPRISING AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MELAMINE AND DICYANDIAMIDE, (C) SAID COMPOSITION HAVING A PH OF SUBSTANTIALLY 12 WHEN MIXED WITH WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |