Process for making titanyl phthalocyanine

Details Process for making titanyl phthalocyanine Process for making titanyl phthalocyanine

C - Chemistry, Metallurgy

09

B

C09B 47/073 (2006.01) C07D 487/22 (2006.01) C07F 7/28 (2006.01)

Patent

CA 2619136

Processes for making organic pigments useful in imaging members, specifically for pigments that after further polymorphic conversion may be used in a charge generating layer of an imaging member. More specifically, there are described processes for producing titanyl phthalocyanine (TiOPc) in high yields using tetrahydronaphthalene as reaction solvent, such as TiOPc Type I. This pigment can be successfully converted to a high sensitivity crystal form useful as charge generating pigment in an imaging member.

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