US5534267A
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Composition for the oxidative dyeing of hair containing 4,5-diaminopyrazole derivatives as well as new 4,5-diaminopyrazole derivatives and process for their synthesis
Assignee: Procter and Gamble Deutschland GmbH
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Filing: 1993-09-29
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Granted: 1996-07-09
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Expires: 2013-09-29
Abstract
Abstract PCT No. PCT/EP93/02641 Sec. 371 Date Jun. 7, 1994 Sec. 102(e) Date Jun. 7, 1994 PCT Filed Sep. 29, 1993 PCT Pub. No. WO94/08970 PCT Pub. Date Apr. 28, 1994.The composition for oxidative dyeing of hair based on a combination of developer substances and coupler substances, contains as a developer substance 4,5-diamino-1-(4'-methoxybenzyl)pyrazole, 4,5-diamino-1-(4'-methylbenzyl)pyrazole, 4,5-diamino-1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1-(3'-methoxybenzyl)pyrazole, 4-amino-1-(4'-methoxy-benzyl) -5-methylaminopyrazole or 4-amino-5-(2'-hydroxyethyl)amino-1-(4'-methoxybenzyl)pyrazole.
Inventors
- 👤 Hans Neunhoeffer
- 👤 Stefan Gerstung
- 👤 Thomas Clausen
- 👤 Wolfgang R. Balzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:27
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/16; C07D231/38
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
37 words
Composition for oxidative dyeing of hair based on a combination of developer substances and coupler substances, containing as a developer substance a 4,5-diaminopyrazole selected from the group consisting of 4,5-diamino-1-(4'-methoxybenzyl)pyrazole, 4,5-diamino-1-(4'-methylbenzyl)pyrazole, 4,5-diamino -1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1-(3'-methoxybenzyl)pyrazole, 4-amino-1-(4'-methoxybenzyl)-5-methylaminopyrazole and 4-amino-5-(2'-hydroxyethyl)amino-1-(4'-methoxybenzyl)pyrazole.
Claim 2
Dependent Claim
37 words
Composition for oxidative dyeing of hair based on a combination of developer substances and coupler substances, containing as a developer substance a 4,5-diaminopyrazole selected from the group consisting of 4,5-diamino-1-(4'-methoxybenzyl)pyrazole, 4,5-diamino-1-(4'-methylbenzyl)pyrazole, 4,5-diamino -1-(4'-chlorobenzyl)pyrazole, 4,5-diamino-1-(3'-methoxybenzyl)pyrazole, 4-amino-1-(4'-methoxybenzyl)-5-methylaminopyrazole and 4-amino-5-(2'-hydroxyethyl)amino-1-(4'-methoxybenzyl)pyrazole.
Claim 3
Dependent Claim
21 words
Composition according to claim 1, wherein the developer substance is contained in a quantity of 0.01 to 3.0 percent by weight.
Claim 4
Dependent Claim
38 words
Composition according to claim 1 wherein said coupler substance is selected from the group consisting of α-naphtol, resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 2-methylresorcinol, 2-amino-4-(2'-hydroxyethyl)aminoanisole, 5-amino-2-methylphenol, 3-amino-2-methylphenol, 4-hydroxy-1,2-methylenedioxybenzene, 4-amino-1,2-methylenedioxybenzene, 4-(2'-hydroxyethyl)amino-1, 2-methylenedioxybenzene, 2,4-diaminophenetole, 2,4-diamino-5-methylphenetole, 2,4-diaminobenzyl alcohol, m-phenylenediamine, 2,4-diaminophenoxyethanol, 4-hydroxyindole, 3-amino-5-hydroxy-2,6-dimethoxypyridine and 3,5-diamino-2,6-dimethoxypyridine.
Claim 5
Dependent Claim
26 words
Composition according to claim 1, wherein the total quantity of the combination of developer substances and coupler substances is from 0.1 to 5.0 percent by weight.
Claim 6
Dependent Claim
37 words
Composition according to claim 1, further comprising a member selected from the group consisting of 6-amino-2-methylphenol, 2-amino-5-methylphenol, 4-[(4'-aminophenyl)-(4"-imino-2", 5"cyclohexadiene -1-ylidene)methyl]-2-methylaminobenzene monohydrochloride, 4-[(4'-amino-3'-methylphenyl) -(4"-imino-3"-methyl-2",5"-cyclohexadiene-1"-ylidene)methyl]-2-methylaminobenzene monohydrochloride, 2-nitro-1,4-diaminobenzene, 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 2-amino-4,6-dinitrophenol, 2-amino-5-(2'-hydroxyethyl)aminonitrobenzene, 2-methylamino-5-bis-(2'-hydroxyethyl)aminonitrobenzene, 6-[(4'-aminophenyl)azo]-5-hydroxynaphthalene-1-sulfonic acid sodium salt, 1,4-diaminoanthraquinone and 1,4,5,8-tetraaminoanthraquinone.
Claim 7
Dependent Claim
1 words
4,5-Diamino-1-(4'-methoxybenzyl)pyrazole.
Claim 8
Dependent Claim
1 words
4,5-Diamino-1-(4'-methoxybenzyl)pyrazole.
Claim 9
Dependent Claim
1 words
4,5-Diamino-1-(4'-methylbenzyl)pyrazole.
Claim 10
Dependent Claim
1 words
4,5-Diamino-1-(4'-methylbenzyl)pyrazole.
Claim 11
Dependent Claim
3 words
4,5-Diamino- 1 -(4'-methoxybenzyl)pyrazole.
Claim 12
Dependent Claim
3 words
4,5-Diamino- 1 -(4'-methoxybenzyl)pyrazole.
Claim 13
Dependent Claim
2 words
4,5-Diamino- 1-(3'-methylbenzyl)pyrazole.
Claim 14
Dependent Claim
2 words
4,5-Diamino- 1-(3'-methylbenzyl)pyrazole.
Claim 15
Dependent Claim
1 words
4-Amino-1-(4'-methyoxybenzyl)-5-methylaminopyrazole.
Claim 16
Dependent Claim
1 words
4-Amino-1-(4'-methyoxybenzyl)-5-methylaminopyrazole.
Claim 17
Dependent Claim
2 words
4-Amino-5-(2'-hydroxyethyl)amino- 1-(4'-methoxybenzyl)pyrazole.
Claim 18
Dependent Claim
2 words
4-Amino-5-(2'-hydroxyethyl)amino- 1-(4'-methoxybenzyl)pyrazole.
References Cited (Backward Citations)
DE2160317A1
Cited
US5061289A
Cited
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