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:
Oct. 21, 2025
Filed:
Aug. 31, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masashi Nishi, Kanagawa, JP;
Kunihiko Sekido, Shizuoka, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 5/047 (2006.01); G03G 5/06 (2006.01); G03G 5/087 (2006.01); G03G 5/09 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 5/06142 (2020.05); G03G 5/087 (2013.01); G03G 5/09 (2013.01); G03G 21/1814 (2013.01);
Abstract
An electrophotographic photosensitive member includes a support, a photosensitive layer, and a surface layer. The surface layer includes a cured product of a composition containing an organic salt having a polymerizable functional group, and at least one of a charge-transportable compound or electroconductive particles. The organic salt is formed of an organic cation and at least one of BF, PF, (CFSO)N, CFSO, (FSO)N, CHOSO, (CN)N, SCN, CHCOO, NO, Cl, Bror I.