Invention Grant
- Patent Title: Toner
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Application No.: US15052152Application Date: 2016-02-24
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Publication No.: US10310397B2Publication Date: 2019-06-04
- Inventor: Tomohisa Sano , Yusuke Hasegawa , Yoshitaka Suzumura , Yuujirou Nagashima , Kozue Uratani
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP2015-046250 20150309
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/087

Abstract:
The toner has a toner particle that contains a binder resin, a colorant, a release agent, and a crystalline polyester, wherein the release agent contains an ester wax, and the peak top temperature of the maximum endothermic peak of the ester wax as measured with a differential scanning calorimeter is from 65° C. to 85° C., the ester wax satisfies specific conditions and the crystalline polyester satisfies specific conditions, the toner contains from 3.0 parts by mass to 20.0 parts by mass of the crystalline polyester per 100 parts by mass of the binder resin, and the mass ratio of the ester wax to crystalline polyester is from 25/75 to 75/25.
Public/Granted literature
- US20160266509A1 TONER Public/Granted day:2016-09-15
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