US2865811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair straightener containing a kerating reducing agent, anionic wetting agent and water-soluble soap and method of using same
Assignee: Irval Cosmetics Inc
•
Filing: 1952-05-02
•
Granted: 1958-12-23
•
Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Roesch Fernand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/463; A61Q; A61Q5/00; A61Q5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A COMPOSITION EFFECTIVE FOR STRAIGHTENING KINKY HAIR WHICH CONSISTS ESSENTIALLY OF A CREAMY DISPERSION IN WATER OF THE FOLLOWING INGREDIENTS IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS BY WEIGHT: PERCENT ANIONIC WETTING AGENT -------------------- .3 TO 6 WATER-SOLUBLE SOAP ---------------------- 2 TO 10 AMMONIUM CARBONATE ----------------------- 2 TO 8 ALKALI-METAL BISULFITE --------------------- 1.5 TO 5 AQUA AMMONIA (28% SOLN.) ----------------- 0 TO 2 TRIETHANOLAMINE ---------------------------- 0 TO 6 UNSATURATED ORGANIC ACID EMOLLIENT --------- 0 TO 5 METHYLCELLULOSE GEL ------------------------ 0 TO 6
Claim 2
Dependent Claim
80 words
A COMPOSITION EFFECTIVE FOR STRAIGHTENING KINKY HAIR WHICH CONSISTS ESSENTIALLY OF A CREAMY DISPERSION IN WATER OF THE FOLLOWING INGREDIENTS IN SUBSTANTIALLY THE FOLLOWING PROPORTIONS BY WEIGHT: PERCENT ANIONIC WETTING AGENT -------------------- .3 TO 6 WATER-SOLUBLE SOAP ---------------------- 2 TO 10 AMMONIUM CARBONATE ----------------------- 2 TO 8 ALKALI-METAL BISULFITE --------------------- 1.5 TO 5 AQUA AMMONIA (28% SOLN.) ----------------- 0 TO 2 TRIETHANOLAMINE ---------------------------- 0 TO 6 UNSATURATED ORGANIC ACID EMOLLIENT --------- 0 TO 5 METHYLCELLULOSE GEL ------------------------ 0 TO 6
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |