Preparation of titanyl fluorophthalocyanines

Details Preparation of titanyl fluorophthalocyanines Preparation of titanyl fluorophthalocyanines

1994-10-27

1997-05-13

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540122, 540136, 540139, 540140, C09B 6750

Patent

active

056294182

ABSTRACT:
Titanyl fluorophthalocyanines, and electrophotographic elements, and a method for preparing titanyl fluorophthalocyanine having the steps of: dissolving titanyl fluorophthalocyanine in acid to form a solution; admixing the solution and water to precipitate out amorphous titanyl fluorophthalocyanine; washing the amorphous titanyl fluorophthalocyanine until substantially all of the acid is removed; and retaining the amorphous titanyl fluorophthalocyanine under ambient conditions of wetness/dryness and temperature exclusive of conditions combining both dryness and a temperature of greater than about 50.degree. C.

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