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:
Sep. 17, 2013
Filed:
Nov. 01, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Takuma Matsuda, Susono, JP;
Masayoshi Shimamura, Yokohama, JP;
Yasutaka Akahashi, Yokohama, JP;
Satoshi Otake, Numazu, JP;
Minoru Ito, Susono, JP;
Kazuhito Wakabayashi, Mishima, JP;
Atsushi Noguchi, Numazu, JP;
Hironori Mori, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developer carrying member having less environmental dependence is provided. The developer carrying member has a substrate and a resin layer, which resin layer contains an acrylic resin; the acrylic resin having a unit (1) represented by the following formula (1) and a unit (2) represented by the following formula (2). In the formula (1), Rrepresents a hydrogen atom or a methyl group, Rrepresents an alkylene group having 1 to 4 carbon atoms, and an asterisk * represents the part of linkage to the part shown by a double asterisk ** in the formula (2). In the formula (2), Rrepresents a hydrogen atom or a methyl group; Rrepresents an alkylene group having 1 to 4 carbon atom(s); R, Rand Reach represent an alkyl group having 1 to 18 carbon atoms; Arepresents an anion.