Title:
NOVEL P-AMINOPHENOL DERIVATIVES AND THE USE THEREOF
Document Type and Number:
WIPO Patent Application WO1999031054
Kind Code:
A3
Abstract:
Compounds of general formula (I), wherein A, B,C and D represent, independently from each other, an -OH- or -NHR- group, wherein R stands for a hydrogen atom or a C1-4 alkyl radical, with the proviso that A, B, C or D respectively stands for a hydroxy group, X stands for oxygen, sulphur, a sulfoxy or sulfoxyl group, R<1> and R<2> represent, independently from each other, hydrogen, fluorine, chlorine, a C1-4 alkyl or hydroxyalkyl group or a C2-4-dihydroxy-alkyl group, preferably a C2-dihydroxy alkyl group, and the physically acceptable salts of these compounds are highly suitable for use as developer components in oxidation coloring agents.
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Inventors:
ROSE DAVID (DE)
MEINIGKE BERND (DE)
HOEFFKES HORST (DE)
MEINIGKE BERND (DE)
HOEFFKES HORST (DE)
Application Number:
PCT/EP1998/007961
Publication Date:
September 10, 1999
Filing Date:
December 08, 1998
Export Citation:
Assignee:
HENKEL KGAA (DE)
ROSE DAVID (DE)
MEINIGKE BERND (DE)
HOEFFKES HORST (DE)
ROSE DAVID (DE)
MEINIGKE BERND (DE)
HOEFFKES HORST (DE)
International Classes:
A61K8/33; A61K8/41; A61K8/00; A61K8/46; A61K8/49; A61Q5/10; C07C215/76; C07C217/76; C07C317/18; C07C317/28; C07C323/27; D06P3/10; (IPC1-7): C07C217/76; A61K7/13
Domestic Patent References:
| WO1994027564A1 | 1994-12-08 |
Foreign References:
| EP0359618A1 | 1990-03-21 | |||
| EP0395837A1 | 1990-11-07 |
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