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.

Patent No.:

US 9316931 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 19, 2016

Filed:

Feb. 26, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Shinji Takagi, Yokohama, JP;

Koichi Nakata, Kashiwa, JP;

Nobuo Kosaka, Gotemba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/147 (2006.01); G03G 5/06 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0607 (2013.01); G03G 5/0605 (2013.01); G03G 5/0609 (2013.01); G03G 5/0629 (2013.01); G03G 5/14708 (2013.01); G03G 21/1803 (2013.01);
Abstract

A surface layer of an electrophotographic photosensitive member contains a polymerized product obtained by a polymerization reaction of a hole transporting compound having a first reactive functional group and a compound having a second reactive functional group reactable with the first reactive functional group, and a structure other than the first reactive functional group of the hole transporting compound is a structure having only a carbon atom and a hydrogen atom, or a structure having only a carbon atom, a hydrogen atom and an oxygen atom.


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