PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

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United States of America Patent

APP PUB NO 20240302759A1
SERIAL NO

18432038

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process cartridge includes an electrophotographic photoreceptor that includes a photosensitive layer and a protective layer on a conductive substrate in this order, and a charging member that includes an elastic layer and a surface layer on a conductive base material in this order and comes into contact with the electrophotographic photoreceptor to charge a surface of the electrophotographic photoreceptor, in which the protective layer in the electrophotographic photoreceptor is a cured film formed to contain a crosslinked material of a composition containing at least one compound X selected from the group consisting of a compound having a guanamine structure and a compound having a melamine structure and a charge transport material Y containing at least one group selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH, a water contact angle θ1 of the surface of the electrophotographic photoreceptor is 65° or greater and less than 80°, and a water contact angle θ2 of a surface of the charging member satisfies a relationship of θ1<θ2.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM BUSINESS INNOVATION CORP7-3 AKASAKA 9-CHOME MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KAWABATA, Yukimi Kanagawa, JP 20 25
YAMAKOSHI, Kenta Kanagawa, JP 14 5
YAMAMOTO, Takuya Kanagawa, JP 89 372

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