Phthalocyanine pigment compositions

Details Phthalocyanine pigment compositions Phthalocyanine pigment compositions

1977-04-27

1978-05-09

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

106308N, 106308Q, C08K 500

Patent

active

040885070

ABSTRACT:
A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following formula ##STR1## WHEREIN Cu--Pc-- is the residue of copper phthalocyanine, m and n are each an integer of 1 - 4, and R.sub.1 and R.sub.2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom appearing in the formula.

REFERENCES:
patent: 3920469 (1975-11-01), Kienzle et al.
patent: 3973981 (1976-08-01), Miyatake et al.

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