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US3937802A
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Sprayable hair-setting composition containing a sulfonate containing hydrophilic copolymer
Assignee: Sanyo Chemical Industries Ltd
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Filing: 1973-08-23
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Granted: 1976-02-10
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Expires: 1993-08-23
Abstract
Abstract A hair-dressing composition for setting and imparting greater luster to hair which comprises, a hydrophilic polymer containing at least 3% by weight structural units which contain at least one sulfonate group.
Inventors
- 👤 Takehiko Fujimoto
- 👤 Tetsuo Kakehi
- 👤 Kazumichi Susaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:40
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; A61K8/8158; Y; Y10; Y10S; Y10S424/00; Y10S424/01; Y10S424/03; Y10S424/05; Y10S424/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
140 words
A sprayable hair-setting composition which comprises a hydrophilic copolymer and a solvent selected from the group consisting of water, a (C 1 -C 4 ) aliphatic alcohol, dioxane, methylethyl ketone, acetone, tetrahydrofuran, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether and mixtures thereof and a propellant, said hydrophilic copolymer having 3-95 per cent by weight of a structural unit of the formula ##EQU8## wherein R is H or methyl and c is an integer from 1 to 3 and 97 to 5% by weight of at least one comonomer selected from the group consisting of a (C 1 -C 20 ) alkyl acrylate, a (C 1 -C 20 ) alkyl methacrylate, a (C 1 -C 4 ) hydroxyalkyl acrylate, and a (C 1 -C 4 ) hydroxyalkyl methacrylate, said hydrophilic copolymer being present in an amount effective to set hair.
Claim 2
Dependent Claim
140 words
A sprayable hair-setting composition which comprises a hydrophilic copolymer and a solvent selected from the group consisting of water, a (C 1 -C 4 ) aliphatic alcohol, dioxane, methylethyl ketone, acetone, tetrahydrofuran, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether and mixtures thereof and a propellant, said hydrophilic copolymer having 3-95 per cent by weight of a structural unit of the formula ##EQU8## wherein R is H or methyl and c is an integer from 1 to 3 and 97 to 5% by weight of at least one comonomer selected from the group consisting of a (C 1 -C 20 ) alkyl acrylate, a (C 1 -C 20 ) alkyl methacrylate, a (C 1 -C 4 ) hydroxyalkyl acrylate, and a (C 1 -C 4 ) hydroxyalkyl methacrylate, said hydrophilic copolymer being present in an amount effective to set hair.
Claim 3
Dependent Claim
24 words
The sprayable hair-setting composition of claim 1 having 0.5 to 5 wt. % hydrophilic copolymer, 20-65 wt. % solvent and 30-79.5 wt. % propellant.
Claim 4
Dependent Claim
26 words
The sprayable hair-setting composition of claim 1, wherein the propellant is selected from the group consisting of a halogenated hydrocarbon gas and a liquefied petroleum gas.
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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) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |