Process for the production of .beta.-form copper phthalocyanine

Details Process for the production of .beta.-form copper phthalocyanine Process for the production of .beta.-form copper phthalocyanine

1993-04-23

1994-01-25

Group, Karl

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106411, 106412, 106413, 540 14, 540122, 540136, 540137, 540140, 540141, C09B 4704

Patent

active

052812685

ABSTRACT:
A process for the production of a .beta.-form copper phthalocyanine having a particle size of 0.005 to 0.2 .mu.m and an aspect ratio of 1 to 3, which comprises the following steps:

REFERENCES:
patent: 2486351 (1949-10-01), Wiswall
patent: 2556728 (1951-06-01), Graham
patent: 2556730 (1951-06-01), Graham
patent: 2857400 (1958-10-01), Cooper
patent: 4104276 (1978-08-01), Kranz et al.
patent: 5175282 (1992-12-01), Roth et al.
Smrcek et al. Chem Abstract, vol. 108 No. 77225h, Abstract of DD 243,182 Feb. 25, 1987.

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