US4149848A
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Novel para-phenylenediamine dyes for keratin fibres
Assignee: L'Oréal SA
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Filing: 1978-06-05
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Granted: 1979-04-17
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Expires: 1998-06-05
Abstract
Abstract Compositions for dyeing keratin fibres are provided based on a novel para-phenylenediamine oxidative dye which has the formula: <IMAGE> in which R represents hydrogen, chlorine or methyl or a salt thereof.
Inventors
- 👤 Andree Bugaut
- 👤 Alain R. Genet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/14; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4973; A61Q; A61Q5/00; A61Q5/10
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
47 words
A composition suitable for dyeing keratin fibres which comprises an aqueous solution containing at least one compound of the general formula: ##STR9## in which formula R is selected from the group consisting of a hydrogen atom, a chlorine atom and a methyl radical, or a salt thereof.
Claim 2
Dependent Claim
47 words
A composition suitable for dyeing keratin fibres which comprises an aqueous solution containing at least one compound of the general formula: ##STR9## in which formula R is selected from the group consisting of a hydrogen atom, a chlorine atom and a methyl radical, or a salt thereof.
Claim 3
Dependent Claim
13 words
A composition according to claim 1 which is suitable for dyeing human hair.
Claim 4
Dependent Claim
19 words
A composition according to claim 1 in which R is selected from a chlorine atom and a methyl radical.
Claim 5
Dependent Claim
17 words
A composition according to claim 1 in which the salt is a hydrochloride, sulphate, phosphate or tartrate.
Claim 6
Dependent Claim
29 words
A composition according to claim 1 which contains from about 0.05% to about 6% by weight of compound of formula (I), based on the total weight of the composition.
Claim 7
Dependent Claim
16 words
A composition according to claim 1, which has a pH from about 8 to about 11.5.
Claim 8
Dependent Claim
19 words
A composition according to claim 1 which contains at least one other para or an ortho-phenylenediamine or ortho-or para-aminophenol.
Claim 9
Dependent Claim
28 words
A composition according to claim 1 which contains at least one coupler selected from the group consisting of meta-phenylenediamines, meta-diphenols, α-naphthol, meta-aminophenols, meta-acetylamino)-phenols, meta-ureidophenols, meta-(carbalkoxyamino)-phenols, 6-hydroxybenzomorpholine and pyrazolones.
Claim 10
Dependent Claim
9 words
A composition according to claim 8 which contains resorcinol.
Claim 11
Dependent Claim
11 words
A composition according to claim 9 in which R represents hydrogen.
Claim 12
Dependent Claim
11 words
A composition according to claim 8 which contains 2-methyl-5-(N-β-hydroxyethylamino)-phenol and/or meta-aminophenol.
Claim 13
Dependent Claim
9 words
A composition according to claim 8 which contains 2-methoxy-5-(carbethoxyamino)-phenol.
Claim 14
Dependent Claim
11 words
A composition according to claim 8 which contains (2,4-diamino)-phenoxyethanol and/or 6-aminobenzomorpholine.
Claim 15
Dependent Claim
11 words
A composition according to claim 13 in which R represents hydrogen.
Claim 16
Dependent Claim
28 words
A composition according to claim 1 which contains at least one leuco derivative of an indoaniline, indamine or indophenol, or a polyphenol, polyaminophenols, monoaminodiphenol or diaminodiphenol oxidative dyestuff.
Claim 17
Dependent Claim
11 words
A composition according to claim 15 which contains 4,4'-dihydroxy-2-amino-5-methyldiphenylamine and/or 2,4'-diamino-4-hydroxy-5-methyldiphenylamine.
Claim 18
Dependent Claim
14 words
A composition according to claim 1 in which contains at least one direct dyestuff.
Claim 19
Dependent Claim
15 words
A composition according to claim 17 in which the direct dyestuff is a nitrobenzene dyestuff.
Claim 20
Dependent Claim
12 words
A composition according to claim 18 which contains 3-nitro-4-(N-β-hydroxyethylamino)-phenol, 1-methoxy-3-nitro-6-(N-β-hydroxyethylamino)-benzene or 3-nitro-4-(N'-methylamino)-N-di-β-hydroxyethylaniline.
Claim 21
Dependent Claim
33 words
A composition according to claim 1 which contains at least one alkalising or acidifying agent, solvent, polymer, cationic treatment product, amide, thickener, surface-active agent, sunlight filter, optical brightener, antioxidant, sequestering agent or perfume.
References Cited (Backward Citations)
US2364350A
Cited
US3925474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |