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. 03, 2013
Filed:
Aug. 07, 2012
Yuya Tomomizu, Suntou-gun, JP;
Noriaki Kuroda, Suntou-gun, JP;
Masataka Kodama, Mishima, JP;
Noriko Suzumura, Mishima, JP;
Hiroki Masu, Numazu, JP;
Yuya Tomomizu, Suntou-gun, JP;
Noriaki Kuroda, Suntou-gun, JP;
Masataka Kodama, Mishima, JP;
Noriko Suzumura, Mishima, JP;
Hiroki Masu, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided a charging member which can prevent any contaminants deposited on a cleaning member from adhering thereto by making low a surface free energy and coefficient of friction thereof. The charging member has a substrate, an elastic layer and a surface layer, and the surface layer contains a polymer having an Si—O—W linkage; the polymer having a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (2):