US4153681A
Expired / Lapsed
US
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Composition for permanent waving
Assignee: Nippon Rikagaku Yakuhin Co Ltd
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Filing: 1977-08-08
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Granted: 1979-05-08
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Expires: 1997-08-08
Abstract
Abstract A composition for permanent waving of hair comprising an aqueous solution containing the lower akyl ester of cysteine or a salt thereof as the main ingredient and having a pH of 6.0-10.0.
Inventors
- 👤 Kikuo Shiba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:21
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/447
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
98 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said stabilizing agent being an ethylenediaminetetraacetate.
Claim 2
Dependent Claim
98 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said stabilizing agent being an ethylenediaminetetraacetate.
Claim 3
Dependent Claim
99 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said wetting agent being polyethylene glycol 4,000.
Claim 4
Dependent Claim
99 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said wetting agent being polyethylene glycol 4,000.
Claim 5
Dependent Claim
97 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and 1-3% by weight of a mixture of 34% by weight of a paraffin oil, 8% by weight polyoxyethylene oleyl ether (10 E. D. ), 6% by weight sorbitan trioleate, 2% by weight polyoxyethylene sorbitan monooleate, and 50% by weight water.
Claim 6
Dependent Claim
97 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and 1-3% by weight of a mixture of 34% by weight of a paraffin oil, 8% by weight polyoxyethylene oleyl ether (10 E. D. ), 6% by weight sorbitan trioleate, 2% by weight polyoxyethylene sorbitan monooleate, and 50% by weight water.
Claim 7
Dependent Claim
164 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said wetting agent being selected from the group consisting of cetyl alcohol, polyethylene glycol and glycerol, the penetrant being selected from the group consisting of palmitic acid isopropyl ester and myristic acid isopropyl ester, the emulsifier being selected from the group consisting of cholesterol, polyethylene-glycol higher alcohol ether and polyethyleneglycol fatty acid ester, and the viscosity increasing agent being selected from the group consisting of sodium alginate, carboxymethyl cellulose and polyvinyl alcohol.
Claim 8
Dependent Claim
164 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said wetting agent being selected from the group consisting of cetyl alcohol, polyethylene glycol and glycerol, the penetrant being selected from the group consisting of palmitic acid isopropyl ester and myristic acid isopropyl ester, the emulsifier being selected from the group consisting of cholesterol, polyethylene-glycol higher alcohol ether and polyethyleneglycol fatty acid ester, and the viscosity increasing agent being selected from the group consisting of sodium alginate, carboxymethyl cellulose and polyvinyl alcohol.
Claim 9
Dependent Claim
97 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said antihistamine being diphenhydramine hydrochloride.
Claim 10
Dependent Claim
97 words
A composition for permanent waving of hair consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight, and at least one additive selected from the group consisting of an effective amount of a penetrant, a stabilizing agent, a wetting agent, a viscosity-increasing agent, a perfume, a coloring agent, an emulsifier, and an antihistamine, said antihistamine being diphenhydramine hydrochloride.
Claim 11
Independent Claim
63 words
A method of permanent waving of hair comprising applying a composition consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight to the hair.
Claim 12
Independent Claim
63 words
A method of permanent waving of hair comprising applying a composition consisting essentially of an aqueous solution of a lower alkyl ester of cysteine or a mineral acid salt thereof and having a pH of 6.0-10.0, wherein the proportion of the lower alkyl ester of cysteine or the mineral acid salt thereof in the aqueous solution is 3-10% by weight to the hair.
References Cited (Backward Citations)
US2405166A
Cited
US3242052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-05-07 | 1982-11-06 | 1983-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-07 | 1986-11-06 | 1987-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-07 | 1990-11-06 | 1991-05-08 | $7700.00 | Window Closed / Lapsed |