Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus, and gallium phthalocyanine crystal

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United States of America Patent

PATENT NO 9500965
APP PUB NO 20160238956A1
SERIAL NO

14442399

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Abstract

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Provided are an electrophotographic photosensitive member capable of outputting an image having less image defects due to the ghost phenomenon not only under a normal-temperature and normal-humidity environment but also under a low-temperature and low-humidity environment as a particularly severe condition, and a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member. The electrophotographic photosensitive member is an electrophotographic photosensitive member including a photosensitive layer, in which the photosensitive layer includes a gallium phthalocyanine crystal in which a compound represented by the following formula (1) or the following formula (2) is contained.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tanaka, Masato Tagata-gun, JP 494 4732

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