Copper-phthalocyanine dyestuffs

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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540125, C09B 4704

Patent

active

046474099

ABSTRACT:
Basic copper-phthalocyanine dyestuffs of the formula ##STR1## in which Cu--Pc denotes the radical of an x-valent copper-phthalocyanine,

REFERENCES:
patent: 2863875 (1958-12-01), Bienert et al.
patent: 3057873 (1962-10-01), Pugin et al.
patent: 4448722 (1984-05-01), Crounse

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