1:2 Metal complexes of azomethine dyes having arylazo groups

Details 1:2 Metal complexes of azomethine dyes having arylazo groups 1:2 Metal complexes of azomethine dyes having arylazo groups

1983-06-20

1985-03-26

Clingman, A. Lionel

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

8681, 8685, 8687, 8917, 8924, 8437, C09B 4524

Patent

active

045071241

ABSTRACT:
The dyes of the formula I ##STR1## in which Me is cobalt or chromium, A and A' independently of each other are each the radical of an amine of the benzene series which carries the hydroxyl group in the o-position relative to the azomethine group, Ar.sub.1 and Ar.sub.3 independently of each other are each a substituted or unsubstituted phenylene or naphthylene radical, Ar.sub.2 and Ar.sub.4 independently of each other are each a substituted or unsubstituted benzene or naphthalene radical, m and n independently of each other are each 0 or 1, p is an integer from 3 to 6 and Ka.sym. is a cation, are suitable for dyeing polyamides, particularly wool and leather.

REFERENCES:
patent: 4033942 (1977-07-01), Beffa et al.
patent: 4116952 (1978-09-01), Beffa et al.
patent: 4331596 (1982-05-01), Beffa et al.
patent: 4424153 (1984-01-01), Baumann et al.
patent: 4436659 (1984-03-01), Buhler et al.
Chemical Abstract, vol. 78, 59772s, (1973).

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