The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 03, 2013

Filed:

Sep. 29, 2009
Applicants:

Hidemi Nukada, Kanagawa, JP;

Masaru Miura, Kanagawa, JP;

Shinya Yamamoto, Kanagawa, JP;

Isamu Ishiko, Kanagawa, JP;

Tetsuya Ezumi, Kanagawa, JP;

Inventors:

Hidemi Nukada, Kanagawa, JP;

Masaru Miura, Kanagawa, JP;

Shinya Yamamoto, Kanagawa, JP;

Isamu Ishiko, Kanagawa, JP;

Tetsuya Ezumi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 21/16 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrophotographic photoreceptor includes a conductive substrate, and at least a photosensitive layer on the conductive substrate, a layer located at a surface of the photosensitive layer side of the electrophotographic photoreceptor contains fluorine containing resin particles and a fluoro graft polymer having a fluoroalkyl group having 1 to 7 carbon atoms, and an area for a polystyrene equivalent molecular weight of 700,000 or more is from about 5% to about 20% of the total area in a gel permeation chromatography (GPC) chart for the fluoro graft polymer.


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