METHOD FOR PRODUCING B TITANYL PHTHALOCYANINE CRYSTAL, PHOTOSENSITIVE PIGMENT, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a stable high-purity B titanyl phthalocyanine crystal, to provide a photosensitive pigment using the same, and to provide an electrophotographic photoreceptor. SOLUTION: The method for producing a B titanyl phthalocyanine crystal comprises treating amorphous titanyl phthalocyanine in the presence of a branched ketone solvent. COPYRIGHT: (C)2005,JPO&NCIPI