Patent US2865811A successfully refreshed from Google Patents.
US2865811A
Expired / Lapsed
US
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Hair straightener containing a kerating reducing agent, anionic wetting agent and water-soluble soap and method of using same
Assignee: Irval Cosmetics Inc
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Filing: 1952-05-02
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Granted: 1958-12-23
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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 14:15
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
References Cited (Backward Citations)
US1906484A
Cited
FR746973A
Cited
GB428932A
Cited
US2087953A
Cited
FR785878A
Cited
DE697634C
Cited
GB449073A
Cited
GB444312A
Cited
FR820144A
Cited
US2155178A
Cited
US2207241A
Cited
US2400377A
Cited
US2310687A
Cited
US2577710A
Cited
US2405166A
Cited
US2389755A
Cited
CH247343A
Cited
US2479382A
Cited
US2418664A
Cited
US2506492A
Cited
US2540980A
Cited
GB648722A
Cited
US2739033A
Cited
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 |