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:
Jun. 04, 2019
Filed:
Jun. 07, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Koichi Nakata, Tokyo, JP;
Haruki Mori, Ichikawa, JP;
Shinji Takagi, Yokohama, JP;
Masaki Nonaka, Toride, JP;
Ryoichi Tokimitsu, Kashiwa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/05 (2006.01); G03G 5/07 (2006.01); G03G 15/00 (2006.01); G03G 21/18 (2006.01); G03G 5/147 (2006.01); G03G 5/06 (2006.01);
U.S. Cl.
CPC ...
G03G 5/0589 (2013.01); G03G 5/0546 (2013.01); G03G 5/0614 (2013.01); G03G 5/071 (2013.01); G03G 5/076 (2013.01); G03G 5/14734 (2013.01); G03G 5/14786 (2013.01); G03G 15/75 (2013.01); G03G 21/1814 (2013.01);
Abstract
Provided are an electrophotographic photosensitive member capable of satisfying abrasion resistance and electrical properties and suppressing image deletion, and an electrophotographic apparatus and a process cartridge having the electrophotographic photosensitive member. A surface layer of the electrophotographic photosensitive member contains a polymer of a hole transport material having a polymerizable functional group, wherein the hole transport material has a specific structure.