US4751074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair rinse composition
Assignee: Kao Corp
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Filing: 1986-01-13
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Granted: 1988-06-14
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Expires: 2006-01-13
Abstract
Abstract A hair rinse composition which comprises at least one cationic surface active agent and a decomposition derivative of a keratin material which have been dissolved or dispersed in a suitable solvent. The decomposition derivative is a member selected from hydrolysates of keratin material, alkali salts of decomposition products obtained by oxidation of keratin material, alkali salts of derivatives at a thiol group of decomposition products obtained by reduction of keratin material and a mixture thereof.
Inventors
- 👤 Kinjiro Matsunaga
- 👤 Takeo Okumura
- 👤 Sachio Naito
- 👤 Rikio Tsushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/64; A61K8/65; A61Q; A61Q5/00; A61Q5/02; Y; Y10; Y10S; Y10S424/00; Y10S424/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
84 words
A hair rinse composition comprising (a) 0.01 to 10 wt. % of at least one cationic surface active agent, and (b) 0.1 to 5 wt. % of a hydrolysate of keratin material containing large amounts of disulfide bonds dispersed or dissolved in at least one solvent selected from the group consisting of water, ethyleneglycol and propylene glycol; wherein said hydrolysate of keratin material is obtained by hydrolyzing keratin material with an acid, alkali or enzyme, and has a molecular weight of 200 to 5,000.
Claim 2
Dependent Claim
84 words
A hair rinse composition comprising (a) 0.01 to 10 wt. % of at least one cationic surface active agent, and (b) 0.1 to 5 wt. % of a hydrolysate of keratin material containing large amounts of disulfide bonds dispersed or dissolved in at least one solvent selected from the group consisting of water, ethyleneglycol and propylene glycol; wherein said hydrolysate of keratin material is obtained by hydrolyzing keratin material with an acid, alkali or enzyme, and has a molecular weight of 200 to 5,000.
Claim 3
Dependent Claim
93 words
A rinse composition according to claim 1, wherein the cationic surface active agent is a quarternary ammonium salt represented by the general formula (I) ##STR6## (in which one or two of R 1 , R 2 , R 3 and R 4 represent a long chain alkyl group or long chain hydroxyalkyl group having 8 to 20 carbon atoms, the others represent an alkyl group or hydroxyalkyl group having 1 to 3 carbon atoms, or a benzyl group, and X represents a halogen atom or an alkylsulfate having 1 to 2 carbon atoms).
References Cited (Backward Citations)
US4390525A
Cited
JPS5589212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-06-14 | 1991-12-14 | 1992-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-14 | 1995-12-14 | 1996-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-14 | 1999-12-14 | 2000-06-14 | $7700.00 | Window Closed / Lapsed |