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. 02, 2020
Filed:
May. 16, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Koichi Nakata, Tokyo, JP;
Haruki Mori, Ichikawa, JP;
Shinji Takagi, Yokohama, JP;
Koichi Suzuki, Yokohama, JP;
Ryuji Higashi, Kawasaki, JP;
Isao Kawata, Kawasaki, JP;
Hajime Muta, Zama, JP;
Yuto Ito, Koganei, JP;
Masaki Nonaka, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An electrophotographic photosensitive member has a surface layer that contains a polymer of a hole transport material having at least one monovalent polymerizable functional group. The hole transport material is represented by Formula (1) where n is an integer of 1 to 5, Zis represented by Formula (2) Zis a hydrogen atom or the group represented by Formula (2), and the monovalent polymerizable functional group is represented by Formula (3)