Process for preparation of quinacridone solid solutions

Details Process for preparation of quinacridone solid solutions Process for preparation of quinacridone solid solutions

1988-06-20

1990-01-23

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 49, C09B 4800

Patent

active

048959499

ABSTRACT:
A process for preparing pigmentary solid solutions of at least one quinacridone derivative and the parent quinacridone compound which comprises milling the starting quinacridone materials at ambient or near ambient temperatures in the presence of an alcohol and a base.

REFERENCES:
patent: 3298827 (1967-01-01), Hanke et al.
patent: 4298398 (1981-11-01), Fitzgerald
patent: 4541872 (1985-09-01), Jaffe
patent: 4758665 (1988-07-01), Spietschka
patent: 4760144 (1988-07-01), Jaffe
patent: 4801702 (1989-01-01), Babler
patent: 4810304 (1989-03-01), Jaffe et al.

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