US Patent 7314693 Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge

Patent 7314693 was granted and assigned to RICOH COMPANY,LTD. on January, 2008 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73146930

Patent Inventor Names

Hidetoshi Kami0

Shinji Nohsho0

Takeshi Takada0

Takaaki Ikegami0

Yasuyuki Yamashita0

Akihiro Sugino0

Eiji Kurimoto0

Hideo Nakamori0

Date of Patent

January 1, 2008

Patent Application Number

109385850

Date Filed

September 13, 2004

Patent Primary Examiner

‌

John L. Goodrow

Patent abstract

The present invention relates to an electrophotographic photoconductor comprising a photoconductive layer, a protective layer, and a conductive support, wherein the protective layer is disposed as the outermost layer of the photoconductive layer, and 20% by volume to 60% by volume of fine particles of fluorine-contained resin and at least one compound selected from amine aromatic compounds and hydroxy aromatic compounds are incorporated into the protective layer.

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