US4047888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dye composition containing a cationic resin
Assignee: L'Oréal SA
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Filing: 1976-05-27
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Granted: 1977-09-13
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Expires: 1996-05-27
Abstract
Abstract A hair dye composition comprises in a cream or gel vehicle or support at least one oxidation dye and at least one graft cationic copolymer of N-vinylpyrrolidone, dimethylaminoethyl methacrylate and polyethylene glycol.
Inventors
- 👤 Christos Papantoniou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:52
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/91; A61Q; A61Q5/00; A61Q5/10; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5426; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
99 words
A hair dye composition comprising a hair dye support in the form of a cream or gel, at least one oxidation dye in an amount between 0.006 and 6 percent by weight relative to the total weight of said composition and at least one graft cationic copolymer of: a. 3-95 weight percent N-vinylpyrrolidone, b. 3-95 weight percent dimethylaminoethyl methacrylate and c. 2-50 weight percent polyethylene glycol, said graft cationic copolymer being present in an amount between 0.5 and 5 percent by weight based on the total weight of said composition and having a molecular weight between 10,000 and 100,000.
Claim 2
Dependent Claim
99 words
A hair dye composition comprising a hair dye support in the form of a cream or gel, at least one oxidation dye in an amount between 0.006 and 6 percent by weight relative to the total weight of said composition and at least one graft cationic copolymer of: a. 3-95 weight percent N-vinylpyrrolidone, b. 3-95 weight percent dimethylaminoethyl methacrylate and c. 2-50 weight percent polyethylene glycol, said graft cationic copolymer being present in an amount between 0.5 and 5 percent by weight based on the total weight of said composition and having a molecular weight between 10,000 and 100,000.
Claim 3
Dependent Claim
102 words
The composition of claim 1 wherein said hair dye support is in the form of a gel and comprises 10-60 weight percent of a member selected from the group consisting of nonyl phenol oxyethylenated with 4 or 9 moles of ethylene oxide, oleyl alcohol polyglycerolated with 2 or 4 moles of glycerol, cetyl stearyl alcohol polyglycerolated with 2 or 6 moles of glycerol and snythetic fatty alcohols containing 11-15 carbon atoms oxyethylenated with 3-10 moles of ethylene oxide; - 30weight percent of an alcohol or a glycol, as a solvent; 0-30 weight percent of a fatty amide; and the remainder being water.
Claim 4
Dependent Claim
33 words
The composition of claim 1 wherein said graft cationic copolymer is quaternized with a quaternization agent selected from the group consisting of dimethyl sulfate, diethyl sulfate, benzyl chloride, benzyl iodide and benzyl bromide.
Claim 5
Dependent Claim
18 words
The composition of claim 1 wherein said graft cationic component has a molecular weight between 15,000 and 500,000.
Claim 6
Dependent Claim
28 words
The composition of claim 1 which also includes a coupler in an amount between 0.002 to 4 percent by weight based on the total weight of said composition.
Claim 7
Dependent Claim
29 words
The composition of claim 1 which also includes a direct dye in an amount between 0.002 and 4 percent by weight based on the total weight of said composition.
Claim 8
Dependent Claim
41 words
The composition of claim 1 wherein said dye support comprises 10-30 weight percent of a fatty alcohol; 2-20 weight percent of an alkyl sulfate or an oxyethylenated alkyl sulfate; 0-30 weight percent of a fatty amide and the remainder being water.
Claim 9
Dependent Claim
12 words
The composition of claim 1 having a pH between 9 and 11.
Claim 10
Dependent Claim
33 words
The composition of claim 8 which also includes a sufficient amount of a base selected from the group consisting of ammonia, momoethanolamine, diethanolamine and triethanolamine so that said composition has said pH value.
Claim 11
Dependent Claim
47 words
A process for dyeing hair comprising applying to the hair an effective amount of the composition of claim 1 together with a sufficient amount of H 2 O 2 , permitting said composition to remain in contact with said hair for 5-40 minutes and rinsing said hair.
References Cited (Backward Citations)
US3912808A
Cited
US3973901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-12 | 1981-03-14 | 1981-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-12 | 1985-03-14 | 1985-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-12 | 1989-03-14 | 1989-09-13 | $7700.00 | Window Closed / Lapsed |