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:
Jun. 25, 2013
Filed:
May. 12, 2011
Applicants:
Noriaki Kuroda, Suntou-gun, JP;
Noriko Nagamine, Suntou-gun, JP;
Yuya Tomomizu, Suntou-gun, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 13/00 (2006.01); G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A charging member that achieves a high level of compatibility between the suppression of the bleeding of a low-molecular weight component from its elastic layer to its surface and charging performance for an electrophotographic photosensitive member. The charging member has a substrate, an elastic layer, and a surface layer. The surface layer contains a polymer having a Si-O-Ti bond, and the polymer has a constitutional unit represented by the following general formula (1) and a constitutional unit represented by the following general formula (2).