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.:
Date of Patent:
Sep. 08, 2020
Filed:
May. 20, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Haruki Mori, Ichikawa, JP;
Koichi Nakata, Tokyo, JP;
Masaki Nonaka, Toride, JP;
Shinji Takagi, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/07 (2006.01); G03G 5/147 (2006.01); G03G 5/05 (2006.01); C08L 33/14 (2006.01);
U.S. Cl.
CPC ...
G03G 5/14786 (2013.01); G03G 5/055 (2013.01); G03G 5/0525 (2013.01); G03G 5/0546 (2013.01); G03G 5/071 (2013.01); G03G 5/14734 (2013.01); G03G 5/14739 (2013.01); C08L 33/14 (2013.01);
Abstract
Provided is an electrophotographic photosensitive member that suppresses image smearing at the time of its repeated use, and expresses satisfactory wear resistance and electric characteristics. The electrophotographic photosensitive member includes a support and a photosensitive layer in the stated order, wherein a surface layer of the electrophotographic photosensitive member contains a copolymer of a hole-transportable compound having a chain-polymerizable functional group and a specific compound having maleimide groups.