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:
Feb. 11, 2020
Filed:
May. 28, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Yuka Ishiduka, Suntou-gun, JP;
Tsutomu Nishida, Mishima, JP;
Atsushi Okuda, Yokohama, JP;
Hiroyuki Watanabe, Suntou-gun, JP;
Hideharu Shimozawa, Numazu, JP;
Nobuhiro Nakamura, Numazu, JP;
Kenichi Kaku, Suntou-gun, JP;
Daisuke Miura, Tokyo, JP;
Koichi Nakata, Tokyo, JP;
Masaki Nonaka, Toride, JP;
Koji Takahashi, Kashiwa, JP;
Haruki Mori, Ichikawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An electrophotographic photosensitive member includes a support and a surface layer, in which the surface layer contains a copolymer of a composition which contains at least a compound represented by the following general formula (1) and a compound represented by the following general formula (2), a content of the compound represented by the general formula (1) in the composition is 25 mass % or more and 70 mass % or less with respect to a total content of the compound represented by the general formula (1) and the compound represented by the general formula (2), and the total content of the compound represented by the general formula (1) and the compound represented by the general formula (2) is 55 mass % or more with respect to a total mass of the composition.