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Novel para-phenylenediamine dyes for keratin fibres

Assignee: L'Oréal SA
•
Filing: 1978-06-05
•
Granted: 1979-04-17
•
Expires: 1998-06-05
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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 22:14
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

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