Invention Grant
- Patent Title: Image forming apparatus and process cartridge
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Application No.: US17103730Application Date: 2020-11-24
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Publication No.: US11409233B2Publication Date: 2022-08-09
- Inventor: Tetsuya Kinumatsu , Mariko Yamashita , Daisuke Yoshiba , Michiyo Sekiya
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc., IP Division
- Priority: JPJP2019-216285 20191129
- Main IPC: G03G21/16
- IPC: G03G21/16 ; G03G21/18 ; C08G64/06 ; G03G5/05 ; G03G9/08 ; G03G9/087

Abstract:
An image forming apparatus comprising an electrophotographic photosensitive member and a developing device for supplying a toner onto the electrophotographic photosensitive member, the developing device having the toner, wherein the electrophotographic photosensitive member has a surface layer comprising a binder resin (A), the toner has a toner particle, the toner particle has a core comprising a binder resin (B) and a wax and a shell layer formed on a surface of the core, the binder resin (A) has a prescribed structure: the wax comprises a prescribed monoester compound: and a process cartridge.
Public/Granted literature
- US20210165364A1 IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE Public/Granted day:2021-06-03
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