Invention Grant
- Patent Title: Charging member, process for its production, process cartridge and electrophotographic apparatus
- Patent Title (中): 充电部件，其生产工艺，处理盒和电子照相设备
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Application No.: US13568913Application Date: 2012-08-07
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Publication No.: US08526857B2Publication Date: 2013-09-03
- Inventor: Yuya Tomomizu , Noriaki Kuroda , Masataka Kodama , Noriko Suzumura , Hiroki Masu
- Applicant: Yuya Tomomizu , Noriaki Kuroda , Masataka Kodama , Noriko Suzumura , Hiroki Masu
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2011-029779 20110215
- Main IPC: G03G15/02
- IPC: G03G15/02
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):
Public/Granted literature
- US20120301180A1 CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS Public/Granted day:2012-11-29
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