Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-12-12
1976-10-26
Curtis, Allen B.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2604381, 260439R, 260287R, 260289R, 260288R, C09B 5500, C07D21502, C07C11900
Patent
active
039883230
ABSTRACT:
1:1- and 2:1-metal complexes of bishydrazides of the formula I ##SPC1##
wherein both A's represent identical or different isocyclic or heterocyclic aromatic radicals, B represents an isocyclic or heterocyclic aromatic radical, and R represents hydrogen, an alkyl group containing 1 - 6 carbon atoms, or an alkyl 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.
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patent: 3440254 (1969-04-01), Lenoir et al.
patent: 3558609 (1971-01-01), Ruckert
patent: 3864371 (1975-02-01), Inman et al.
patent: 3894083 (1975-07-01), Hofer et al.
patent: 3939194 (1972-02-01), Eplattenier et al.
L'Eplattenier Francois
Vuitel Laurent
Cavalieri Vincent J.
Ciba-Geigy Corporation
Curtis Allen B.
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