Global Patent Index - EP 1551825 A1

EP 1551825 A1 20050713 - NOVEL DIRECT BLACK DYES WITH THREE HETEROAROMATIC RINGS

Title (en)

NOVEL DIRECT BLACK DYES WITH THREE HETEROAROMATIC RINGS

Title (de)

DIREKTE SCHWARZE FARBSTOFFE MIT DREI HETEROAROMATISCHEN KERNEN

Title (fr)

COLORANTS DIRECTS NOIRS A TRI-NOYAUX HETEROAROMATIQUES

Publication

EP 1551825 A1 20050713 (FR)

Application

EP 03775473 A 20031006

Priority

  • FR 0302927 W 20031006
  • FR 0212385 A 20021004

Abstract (en)

[origin: WO2004031173A1] The invention relates to novel three-ring heteroaromatic direct dyes, dyeing compositions containing said dyes and the method of dyeing keratinous fibres using same. In particular, the invention relates to three-ring heteroaromatic direct dyes comprising a pyridine ring. Said novel dyes can be used to obtain black shades having a good tenacity and a good stability in dyeing compositions.

IPC 1-7

C07D 401/14; C07D 519/00; A61K 7/13

IPC 8 full level

A61K 8/49 (2006.01); A61Q 5/06 (2006.01); C07D 401/14 (2006.01); C07D 519/00 (2006.01)

CPC (source: EP)

A61K 8/4926 (2013.01); A61K 8/494 (2013.01); A61K 8/4946 (2013.01); A61K 8/4953 (2013.01); A61K 8/4966 (2013.01); A61Q 5/065 (2013.01); C07D 401/14 (2013.01)

Citation (search report)

See references of WO 2004031173A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004031173 A1 20040415; AU 2003283499 A1 20040423; EP 1551825 A1 20050713; FR 2845387 A1 20040409; FR 2845387 B1 20050121

DOCDB simple family (application)

FR 0302927 W 20031006; AU 2003283499 A 20031006; EP 03775473 A 20031006; FR 0212385 A 20021004