Global Patent Index - EP 1235550 A2

EP 1235550 A2 2002-09-04 - NEW COLOURING COMBINATION

Title (en)

NEW COLOURING COMBINATION

Title (de)

NEUE FARBSTOFFKOMBINATION

Title (fr)

NOUVELLE COMBINAISON COLORANTE

Publication

EP 1235550 A2 (DE)

Application

EP 00987337 A

Priority

  • DE 19959320 A
  • EP 0012097 W

Abstract (en)

[origin: WO0141717A2] The invention relates to oxidative colouring agents for colouring keratin fibres, in particular human hair, which contain, in a medium suitable for colouring, (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; and (b) a combination of at least two developer components selected from p-phenylendiamine derivatives, p-aminophenol derivatives, binuclear developer components and/or pyrazole derivatives. According to the invention, the disclosed colouring agents are characterised by the excellent colouring properties thereof.

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

A61K 7/13

CPC (invention and additional information)

A61Q 5/10 (2013.01); A61K 8/411 (2013.01)

Citation (search report)

See references of WO 0141717A3

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 0141717 A2 20010614; WO 0141717 A3 20020214; AU 2361901 A 20010618; DE 19959320 A1 20010613; EP 1235550 A2 20020904; US 2003106167 A1 20030612

INPADOC legal status


2006-01-11 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050705

2005-04-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20050222

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