Chromium complex dyes, their manufacture and use

Details Chromium complex dyes, their manufacture and use Chromium complex dyes, their manufacture and use

C - Chemistry, Metallurgy

09

B

260/156, 8/21.4

C09B 45/26 (2006.01) C09B 45/06 (2006.01) C09B 55/00 (2006.01) D06P 1/10 (2006.01)

Patent

CA 1059997

Abstract of the Disclosure 1:2 Chromium complex dyes of the formula Image (1) wherein A is the radical of a diazo component of the benzene or naphthalene class which carries the complex forming group X in ortho-position to the azo group, B is the radical of a coupling component which couples in ortho-position to the oxy group, D is the radical of an amine of the benzene or naphthalene class which carries the complex-forming group in ortho-position to the azo group, X is an oxygen atom or a -CO-O- group, Ar is an aromatic carbocyclic radical. Ar' and Ar" are aromatic carbocyclic or heterocyclic radicals. q is an integer from 0 to 5, n is an integer from 1 to 3, m is an integer from 0 to 2 and p is 0 or 1, but the sum of n + m may be at most 3, and wherein the benzene ring can carry a further fused benzene ring or can be substituted by halogen. nitro, alkyl or alkoxy, and K+ is a cation.

226468

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