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:
Jul. 21, 2015
Filed:
Jul. 17, 2012
Yuichi Kikuchi, Susono, JP;
Kazuhiro Yamauchi, Suntou-gun, JP;
Norifumi Muranaka, Yokohama, JP;
Satoru Nishioka, Suntou-gun, JP;
Yuichi Kikuchi, Susono, JP;
Kazuhiro Yamauchi, Suntou-gun, JP;
Norifumi Muranaka, Yokohama, JP;
Satoru Nishioka, Suntou-gun, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is an electro-conductive member for electrophotography that stably shows high electro-conductivity even under a low-temperature, low-humidity environment. The electro-conductive member for electrophotography has an electro-conductive mandrel and an electro-conductive layer. The electro-conductive layer contains an ionic electro-conductive resin and an ion carrier. The ionic electro-conductive resin has at least one structure selected from the group consisting of structures represented by the following formulae (1), (2), (3), and (4), and a structure represented by the following formula (5) (in the formula (1) to the formula (5), R, R, R, and Reach represent a divalent organic group, X, X, X, and Xeach independently represent a sulfonic group or a quaternary ammonium base, and 1 represents an integer of 1 or more and 23 or less).