Global Patent Index - EP 1235551 A2

EP 1235551 A2 2002-09-04 - NEW COLOURING COMBINATION

Title (en)

NEW COLOURING COMBINATION

Title (de)

NEUE FARBSTOFFKOMBINATION

Title (fr)

NOUVELLE COMBINAISON COLORANTE

Publication

EP 1235551 A2 (DE)

Application

EP 00990631 A

Priority

  • DE 19959319 A
  • EP 0012094 W

Abstract (en)

[origin: WO0141714A2] The invention relates to oxidative colouring agents for colouring keratin fibres, in particular human hair, which contain, in a medium suitable for colouring, at least one developer component and (a) at least one m-phenylenediamine derivative of formula (I) as coupling component, where R<1> = a branched or unbranched C1- to C8-alkyl group and R<2> = a branched or unbranched C1 to C8 alkyl group or a phenyl group, optionally substituted by one or several C1 to C4 alkyl group(s) or, by one or several halogen atom(s), or a physiologically acceptable salt thereof; (b) at least one further coupling component, selected from 2-amino-3-hydroxy-5-chlorpyridine, 2,6-dihydroxy-3,4-dimethylpyridine, 2,6-bis-( beta -hydroxyethylamino)-toluene, 2,4-dichlor-3-aminophenol, 3-amino-2-chloro-6-methylphenol, 5-amino-4-chloro-2-methylphenol, 5-(2'-hydroxyethyl)-amino-2-methylphenol, 5-amino-2-methylphenol, 2-amino-3-hydroxypyridine, 3-amino-2-methylamino-6-methoxypyridine, 2-methylresorcinol, 2,4-diaminophenoxyethanol, 1,3-bis-(2,4-diaminophenoxy)-propane, resorcinol, m-aminophenol, 3,5-diamino-2,6-dimethoxypyridine, 1,7-, 2,7- and 1,5-dihydroxynaphthalene, and 4-hydroxyindole and 6-hydroxyindole. According to the invention, the disclosed hair colouring agents are characterised by the excellent colouring properties thereof.

IPC 1-7 (main, further and additional classification)

A61K 7/13

IPC 8 full level (invention and additional information)

A61K 8/34 (2006.01); A61K 8/41 (2006.01); A61K 8/49 (2006.01); A61Q 5/10 (2006.01)

CPC (invention and additional information)

A61K 8/411 (2013.01); A61K 8/347 (2013.01); A61K 8/415 (2013.01); A61K 8/492 (2013.01); A61K 8/4926 (2013.01); A61Q 5/10 (2013.01)

Citation (search report)

See references of WO 0141714A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0141714 A2 20010614; WO 0141714 A3 20020214; AU 3005401 A 20010618; DE 19959319 A1 20010613; EP 1235551 A2 20020904; US 2003037386 A1 20030227

INPADOC legal status


2005-01-12 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20040713

2004-02-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20040102

2002-09-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020531

2002-09-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR