Patent US4915938A successfully refreshed from Google Patents.
US4915938A
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Hair treating composition
Assignee: DIAMOND PRODUCTS Co
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Filing: 1987-11-13
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Granted: 1990-04-10
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Expires: 2007-11-13
Abstract
Abstract Hair-treating composition comprising an aqueous dispersion of a mixture of an amino- and hydroxy- or alkoxy-functional silicone with an amino-functional silicone and a cross-linking agent comprising a water-soluble compound containing at least two carboxyl groups.
Inventors
- 👤 Mary E. Zawadzki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:01
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/896; A61K8/898; A61Q; A61Q5/00; C; C08; C08L; C08L83/00; C08L83/04; C08L83/08; A61K2800/00; A61K2800/40; A61K2800/59; A61K2800/594; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
221 words
A composition comprising a liquid aqueous vehicle having dispersed therein from 0.25 to 30% by weight of a mixture comprising two types of polysiloxanes having the following average compositions: ##STR3## in which R is a monovalent hydrocarbon group having 1 to 20 carbon atoms. R" is hydrogen or R B is --R or --OH or --OR or --TNHCH 2 CH 2 NHR" C is --OH or --OR D is --R, --OH, or --OR T is a divalent hydrocarbon group having 1 to 8 carbon atoms p, q and r are positive integers, the sum of p, q or r being from 10 to 300, ##STR4## in which R is a monovalent hydrocarbon group having 1 to 20 carbon atoms, R" is hydrogen or R, T is a divalent hydrocarbon group having 1 to 8 carbon atoms, preferably an alkylene group having 1 to 4 carbon atoms, E is --OR or --T--NHCH 2 CH 2 NHR", s and t are positive integers, the sum of s and t being from 10 to 300, and t is at least 2, and the molar ratio of Type I to Type II being from 4:1 to and a cross-linking agent comprising a water-soluble compound containing at least two carboxyl groups, the amount of said agent being from 0.6 to 90% by weight of total polysiloxane.
Claim 2
Dependent Claim
221 words
A composition comprising a liquid aqueous vehicle having dispersed therein from 0.25 to 30% by weight of a mixture comprising two types of polysiloxanes having the following average compositions: ##STR3## in which R is a monovalent hydrocarbon group having 1 to 20 carbon atoms. R" is hydrogen or R B is --R or --OH or --OR or --TNHCH 2 CH 2 NHR" C is --OH or --OR D is --R, --OH, or --OR T is a divalent hydrocarbon group having 1 to 8 carbon atoms p, q and r are positive integers, the sum of p, q or r being from 10 to 300, ##STR4## in which R is a monovalent hydrocarbon group having 1 to 20 carbon atoms, R" is hydrogen or R, T is a divalent hydrocarbon group having 1 to 8 carbon atoms, preferably an alkylene group having 1 to 4 carbon atoms, E is --OR or --T--NHCH 2 CH 2 NHR", s and t are positive integers, the sum of s and t being from 10 to 300, and t is at least 2, and the molar ratio of Type I to Type II being from 4:1 to and a cross-linking agent comprising a water-soluble compound containing at least two carboxyl groups, the amount of said agent being from 0.6 to 90% by weight of total polysiloxane.
Claim 3
Dependent Claim
17 words
A composition as claimed in claim 1 in which a dispersing agent is included in the composition.
Claim 4
Dependent Claim
58 words
A composition as claimed in claim 2 in which R is an alkyl or benzyl group having 1 to 7 carbon atoms, R' is an alkyl group having 1 to 4 carbon atoms, T is an alkylene group having 1 to 4 carbon atoms, and in which T is an alkylene group having 1 to 4 carbon atoms.
Claim 5
Dependent Claim
18 words
A composition as claimed in claims 1, 2 or 3 in which said cross-linking agent is succinic acid.
Claim 6
Dependent Claim
20 words
A composition as claimed in claim 1 in which R is an alkyl group having 1 to 7 carbon atoms.
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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) | 1993-04-09 | 1993-10-09 | 1994-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-09 | 1997-10-09 | 1998-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-09 | 2001-10-09 | 2002-04-10 | $7700.00 | Window Closed / Lapsed |