Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

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United States of America Patent

PATENT NO 9645516
SERIAL NO

14936545

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Abstract

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An electrophotographic photosensitive member including a support, and a charge generating layer and a charge transporting layer on the support, wherein the charge generating layer includes a gallium phthalocyanine crystal in which an organic compound is contained, wherein the organic compound is at least one compound selected from the group consisting of dimethylsulfoxide, N,N-dimethylformamide, N-methylformamide, N-propylformamide, N-vinylformamide and N-methylpyrrolidone, the content of the organic compound is 0.1% by mass or more and 1.5% or less based on a gallium phthalocyanine in the gallium phthalocyanine crystal, and the charge transporting layer includes a polyester resin having a structural unit represented by formula (1).

description='In-line Formulae' end='lead'A-B  (1).description='In-line Formulae' end='tail'

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawahara, Masataka Mishima, JP 69 968
Kuno, Jumpei Mishima, JP 27 240
Nishida, Tsutomu Mishima, JP 79 839
Tanaka, Masato Tagata-gun, JP 491 4722
Watariguchi, Kaname Yokohama, JP 51 447

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