Patent US2847351A successfully refreshed from Google Patents.
US2847351A
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Hair waving composition comprising a disulfide and either a non-corresponding mercaptan or thiourea dioxide
Assignee: Gillette Co LLC
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Filing: 1955-11-08
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Granted: 1958-08-12
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Expires: 1975-11-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Brown
- 👤 Bogaty Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:00
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61Q; A61Q5/00; A61Q5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A WATER-SOLUBLE HAIR WAVING COMPOSITION COMPRISING (1) A MEMBER OF THE CLASS CONSITING OF THE DISULFIDE OF THIOGLYCEROL ACID, WATER-SOLUBLE SALTS THEREOF, AND THE DISULFIDE OF THIOGLYCEROL, (2) A REDUCING AGENT SELECTED FROM THE CLASS CONSISTING OF THIOMALIC ACID, DIMERCAPTOADIPIC ACID, WATER-SOLUBLE SALTS THEREOF, AND THIOUREA DIOXIDE, AND (3) WATER-SOLUBLE ALKALINE MATERIAL IN EXCESS OF THE REQUIRED TO REACT WITH ANY ACID GROUPS PRESENT IN THE DISULFIDE AND REDUCING AGENT COMPOUNDS.
Claim 2
Dependent Claim
71 words
A WATER-SOLUBLE HAIR WAVING COMPOSITION COMPRISING (1) A MEMBER OF THE CLASS CONSITING OF THE DISULFIDE OF THIOGLYCEROL ACID, WATER-SOLUBLE SALTS THEREOF, AND THE DISULFIDE OF THIOGLYCEROL, (2) A REDUCING AGENT SELECTED FROM THE CLASS CONSISTING OF THIOMALIC ACID, DIMERCAPTOADIPIC ACID, WATER-SOLUBLE SALTS THEREOF, AND THIOUREA DIOXIDE, AND (3) WATER-SOLUBLE ALKALINE MATERIAL IN EXCESS OF THE REQUIRED TO REACT WITH ANY ACID GROUPS PRESENT IN THE DISULFIDE AND REDUCING AGENT COMPOUNDS.
References Cited (Backward Citations)
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |