US4950468A
Expired / Lapsed
US
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Hair treating composition
Assignee: Sunstar Inc
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Filing: 1988-09-08
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Granted: 1990-08-21
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Expires: 2008-09-08
Abstract
Abstract A hair treating composition having excellent resistance to washing which comprises a dimethyl silicone rubber and a quaternary ammonium salt ingredient consisting of stearyltrimethylammonium chloride and behenyltrimethylammonium chloride.
Inventors
- 👤 Takanari Nakamura
- 👤 Hiroshi Nishimura
- 👤 Makoto Tada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:29
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61Q5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A hair treating composition comprising: (a) 0.05 to 2.5% by weight of a dimethyl silicone rubber of the formula: ##STR4## wherein R 1 and R 2 are methyl or hydroxy; and n is an integer of 4000 to 9000, and (b) 0.1 to 5.0% by weight of a quaternary ammonium salt ingredient consisting of stearyltrimethylammonium chloride and behenyltrimethylammonium chloride, the weight ratio of said dimethyl silicone rubber: said quaternary ammonium salt ingredient being from 1:2 to 1:10 and wherein the weight ratio of stearyltrimethylammonium chloride: behenyltrimethylammonium chloride is from 9:1 to 1:9.
Claim 2
Dependent Claim
92 words
A hair treating composition comprising: (a) 0.05 to 2.5% by weight of a dimethyl silicone rubber of the formula: ##STR4## wherein R 1 and R 2 are methyl or hydroxy; and n is an integer of 4000 to 9000, and (b) 0.1 to 5.0% by weight of a quaternary ammonium salt ingredient consisting of stearyltrimethylammonium chloride and behenyltrimethylammonium chloride, the weight ratio of said dimethyl silicone rubber: said quaternary ammonium salt ingredient being from 1:2 to 1:10 and wherein the weight ratio of stearyltrimethylammonium chloride: behenyltrimethylammonium chloride is from 9:1 to 1:9.
References Cited (Backward Citations)
JPS479A
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JPS59204A
Cited
GB2170216A
Cited
GB2188655A
Cited
GB2192194A
Cited
US4728457A
Cited
GB2196980A
Cited
JPH022109A
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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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |