1:1-Heterocyclic azo methine-metal complex dyestuffs

Details 1:1-Heterocyclic azo methine-metal complex dyestuffs 1:1-Heterocyclic azo methine-metal complex dyestuffs

1977-10-11

1979-03-13

Curtis, Allen B.

Harness for working animal

542408, 260146R, 260146D, 260151, 260299, 544300, 544319, 544225, 544226, 26034345, 2604299, 2604381, 260429C, 546 10, 546155, C09B 5500

Patent

active

041442580

ABSTRACT:
1:1-Metal complexes of azomethines of the formula I ##STR1## wherein A and B are isocyclic or heterocyclic aromatic radicals, with however only one of the radicals A and B being a benzene ring, R represents a hydrogen atom, an alkyl group containing 1 to 6 carbon atoms, or an aryl radical, and the complexing metal ions are bivalent cations of the transition metals, zinc ions or cadmium ions which are useful for pigmenting high molecular organic material.

REFERENCES:
patent: 3076721 (1963-02-01), Coles et al.
patent: 3440254 (1969-04-01), Lenoir et al.
patent: 3558609 (1971-01-01), Ruckert
patent: 3630656 (1971-12-01), Wolfreim
patent: 3988323 (1976-10-01), L'Eplattenier et al.

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