US3973900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dye
Assignee: Procter and Gamble Deutschland GmbH
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Filing: 1974-09-09
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Granted: 1976-08-10
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Expires: 1994-09-09
Abstract
Abstract Hair dyeing compositions containing a dye which has the formula ##SPC1## Wherein R 1 and R 2 are each hydrogen or hydroxy ethyl alone or in conjunction with an oxidation and/or direct dyeing dye. The hair dyeing compositions can also include the conventional additives such as water soluble surface active agents, thickening agents, complex formers, antioxidants, softeners, perfumes, and the like.
Inventors
- 👤 Hans Husemeyer
- 👤 Eugene Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/418; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; A61Q5/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
49 words
A hair dyeing composition consisting essentially of an aqueous solution containing between 0.01 and 1.0% by weight of a dye having the formula ##SPC6## wherein R 1 and R 2 are hydrogen or hydroxyethyl substituents, the said composition having a pH of from between 7.0 to and about 10.5.
Claim 2
Dependent Claim
49 words
A hair dyeing composition consisting essentially of an aqueous solution containing between 0.01 and 1.0% by weight of a dye having the formula ##SPC6## wherein R 1 and R 2 are hydrogen or hydroxyethyl substituents, the said composition having a pH of from between 7.0 to and about 10.5.
Claim 3
Dependent Claim
27 words
A hair dyeing composition as defined in claim 1 in which said dye is present in an amount between 0.05 and 0.5% by weight of the composition.
Claim 4
Dependent Claim
22 words
A hair dyeing composition according to claim 1 wherein said dye R 1 is hydrogen and R 2 is hydrogen or hydroxyethyl.
Claim 5
Dependent Claim
17 words
A hair dyeing composition according to claim 1 additionally containing at least one oxidation or direct dye.
Claim 6
Dependent Claim
31 words
A hair dyeing composition according to claim 4 wherein said direct dye is a nitro dye, azo dye, anthraquinone dye, Diamond Fuchsin ##SPC7##, Leather Ruby HF ##SPC8##or Diamond Green GX ##SPC9##
Claim 7
Dependent Claim
18 words
A hair dyeing composition according to claim 4 wherein said oxidative dye is p-phenylenediamine, p-toluylenediamine, p-aminophenol, or 2,6-dimethyl-p-phenylenediamine.
Claim 8
Dependent Claim
24 words
A hair dyeing composition according to claim 4 wherein the total content of dyes is within the range of 0.01 and 3.0% by weight.
Claim 9
Dependent Claim
34 words
A hair dyeing composition according to claim 1 additionally containing at least one member of the group consisting of alkalizing agent, surface active agent, thickening agent, chelating agent, antioxidant, softener, perfume, and organic solvent.
Claim 10
Dependent Claim
27 words
A hair dyeing composition according to claim 8 wherein said solvent is present in an amount of from about 1 to 40% by weight of the composition.
Claim 11
Dependent Claim
29 words
A hair dyeing composition according to claim 8 wherein said surface active agent is present in an amount of from about 0.25 to 10% by weight of the composition.
Claim 12
Dependent Claim
29 words
A hair dyeing composition according to claim 8 wherein said alkalizing agent is present in an amount of from about 0.1 to about 5% by weight of the composition.
Claim 13
Dependent Claim
28 words
A hair dyeing composition according to claim 8 wherein said thickening agent is present in an amount of from about 0.1 to 20% by weight of the composition.
Claim 14
Dependent Claim
20 words
A process for dyeing hair which comprises applying thereto a tinctorially effective quantity of a composition according to claim 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |