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:
Mar. 21, 2017
Filed:
Dec. 16, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Atsushi Okuda, Yokohama, JP;
Nobuhiro Nakamura, Numazu, JP;
Kazunori Noguchi, Suntou-gun, JP;
Akihiro Maruyama, Mishima, JP;
Atsushi Fujii, Yokohama, JP;
Yuka Ishiduka, Suntou-gun, JP;
Yuki Yamamoto, Tokyo, JP;
Kazuko Sakuma, Suntou-gun, JP;
Tatsuya Ikezue, Toride, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An electrophotographic photosensitive member that abuts with a charging member and/or a developer carrying member with an abutting member interposed therebetween, wherein the electrophotographic photosensitive member has a first portion and a second portion abutting with the abutting member along the longitudinal direction thereof, the electrophotographic photosensitive member has a support, a charge generation layer containing a charge generating material and a polyacetal resin, and a surface layer in this order, the electrophotographic photosensitive member has, in the first portion, an undercoat layer containing a polymerized product of a composition including an electron transporting material and a cross-linking agent, the layer being adjacent to a surface of the charge generation layer, facing the support, and the electrophotographic photosensitive member has, in the second portion, an intermediate layer containing a metal oxide particle and a phenol resin, the layer being between and adjacent to the support and the charge generation layer.