Copper, cobalt, nickel and iron complexes of disazo dyes

Details Copper, cobalt, nickel and iron complexes of disazo dyes Copper, cobalt, nickel and iron complexes of disazo dyes

1983-03-23

1985-10-15

Higel, Floyd D.

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

Organic compounds

Azo

534678, 534688, C09B 4526, C09B 4558, C09B 4530, C09B 4532

Patent

active

045475660

ABSTRACT:
Compounds which in the form of the free acid are of the general formula I ##STR1## where A is a radical of the formula ##STR2## the radicals Y independently of one another are each hydroxyl or amino, X is hydrogen, hydroxysulfonyl or a radical of the formula

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patent: 2830979 (1958-04-01), Goebel et al.
patent: 4120854 (1978-10-01), Wicki
patent: 4263229 (1981-04-01), Studer et al.

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