Invention Grant
- Patent Title: Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus
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Application No.: US14600726Application Date: 2015-01-20
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Publication No.: US09726997B2Publication Date: 2017-08-08
- Inventor: Asafumi Fujita , Narumasa Sato , Eisuke Iwazaki , Tomoaki Tanaka , Kotaro Yoshihara , Noriyuki Mizutani
- Applicant: FUJI XEROX CO., LTD.
- Applicant Address: JP Minato-ku, Tokyo
- Assignee: FUJI XEROX CO., LTD.
- Current Assignee: FUJI XEROX CO., LTD.
- Current Assignee Address: JP Minato-ku, Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-152052 20140725
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/097
Abstract:
An electrostatic charge image developing toner includes toner particles containing crosslinked resin particles having a glass transition temperature of 55° C. or higher in a surface layer of the toner particle, and silica particles having a volume average particle diameter of 30 nm to 300 nm and a coverage with respect to the toner particle from 50% to 100%.
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