Charging member, electrophotographic apparatus and process cartridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8834333
APP PUB NO 20110200356A1
SERIAL NO

13044022

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Abstract

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A charging member is provided which has a low electrical resistance, has less non-uniformity or environmental dependence of the electrical resistance, may less undergo electrification deterioration even when used for a long period of time, and is free of any occurrence of faulty images such as horizontal lines attributable to charging. The charging member is formed of a support with a good electrical conductivity and an elastic layer consisting of at least one layer on the support, and the elastic layer is formed of a semiconductive vulcanized rubber in which carbon black has been dispersed as conductive particles in a binder polymer containing a polymer having a butadiene skeleton, having been modified at a molecular terminal thereof with a specific atomic group.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Masaaki Mishima, JP 62 736
Nose, Keiji Suntou-gun, JP 17 292
Watanabe, Hiroaki Odawara, JP 175 1953

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