Invention Grant
- Patent Title: Carrier for developing electrostatic latent image, and two-component developer, supplemental developer, image forming apparatus, process cartridge, and image forming method using the carrier
- Patent Title (中): 用于显影静电潜像的载体和双组分显影剂，补充显影剂，成像设备，处理盒和使用载体的成像方法
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Application No.: US13226219Application Date: 2011-09-06
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Publication No.: US08512928B2Publication Date: 2013-08-20
- Inventor: Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
- Applicant: Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
- Applicant Address: JP Tokyo
- Assignee: Rocoh Company, Ltd.
- Current Assignee: Rocoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-205083 20100914; JP2011-177444 20110815
- Main IPC: G03G9/00
- IPC: G03G9/00
Abstract:
A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit.
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