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:
Aug. 06, 2013
Filed:
Sep. 13, 2012
Noriko Suzumura, Mishima, JP;
Noriaki Kuroda, Suntou-gun, JP;
Masataka Kodama, Mishima, JP;
Yuya Tomomizu, Suntou-gun, JP;
Hiroki Masu, Numazu, JP;
Noriko Suzumura, Mishima, JP;
Noriaki Kuroda, Suntou-gun, JP;
Masataka Kodama, Mishima, JP;
Yuya Tomomizu, Suntou-gun, JP;
Hiroki Masu, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided are the following charging member and a method of producing the charging member. The charging member has an improved charging ability and hence alleviates, in particular, a positive ghost. The charging member can maintain resistance to the adhesion of toner, a toner external additive, or the like over a long time period. The charging member for an electrophotographic apparatus comprises an electro-conductive support, an electro-conductive elastic layer, and a surface layer, wherein the surface layer comprises a polymer compound having an Si—O—Ti linkage in a molecular structure thereof, and the polymer compound has each of constitutional units represented by a formula (1), a formula (2), and a formula (3) defined in the description. The method is a method of producing the charging member.