Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CATIONIC IMIDAZOLAZO DYES CONTAINING A 2, 5-DIAMINOPHENYL MOIETY
Document Type and Number:
WIPO Patent Application WO2005095522
Kind Code:
A3
Abstract:
Disclosed are azo dyes of formula (1) , wherein R1 is hydrogen; C1-C14alkyl; hydroxy- C1-C14alkyl; C2-C14alkenyl; a radical of formula (1a) -(CH2)n1-O-(CH2)n2-CH3; a radical of formula (1b) C10aryl; or C6-C10aryl-C1-C6alkyl; R3 is hydrogen; C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C6alkyl; or CO-R6; R4 is CO-R6; R5 is C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; or C6-C10aryl-C1-C6alkyl; R6 is hydrogen; C1-C14alkyl; C2-C14alkenyl; or C6-C10aryl; R7, R8, R9 and R10, independently from each other are hydrogen; or C1-C5alkyl; m is 1; or 2; An<-> is an anion; If m = 1, R2 is hydrogen; C1-C14alkyl; C2-C14alkenyl; a radical of formula (1a); a radical of formula (1b) ; C6-C10aryl; or C6-C10aryl-C1-C6alkyl; If m = 2, R2 is the direct bond; or C1-C14alkylene, which is optionally substituted by one or more C1-C4alkyl, or which is optionally interrupted by C5-C10arylene, -O- or -NR9R10-; R9 and R10, independently from each other are hydrogen; or C1-C5alkyl; and n1, n2, n3 and n4, independently from each other are a number from 0 to 5. The compounds are useful for the dyeing of organic material, preferably human hair.

Inventors:
ELIU VICTOR PAUL (DE)
SAUDER THOMAS (CH)
KAUFFMANN DOMINIQUE (FR)
FROEHLING BEATE (DE)
Application Number:
EP2005051323W
Publication Date:
November 10, 2005
Filing Date:
March 23, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CIBA SPECIALTY CHEMICALS HOLDING INC.
ELIU, VICTOR PAUL
SAUDER, THOMAS
KAUFFMANN, DOMINIQUE
FROEHLING, BEATE
International Classes:
C07C231/02; C07C231/12; C07C245/20; C09B29/36; C09B43/11; C09B43/40; C09B44/00; C09B44/16; (IPC1-7): C09B44/16; A61K7/13
Domestic Patent References:
WO1995001772A11995-01-19
WO2001066646A12001-09-13
WO2002031056A12002-04-18
WO2003076518A22003-09-18
Foreign References:
US4294756A1981-10-13
DE3724642A11989-02-02
Download PDF: