Invention Grant
- Patent Title: Toner and toner production method
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Application No.: US15045040Application Date: 2016-02-16
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Publication No.: US09952523B2Publication Date: 2018-04-24
- Inventor: Tsutomu Shimano , Kunihiko Nakamura , Kenta Kamikura
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick Cella Harper and Scinto
- Priority: JP2015-034758 20150225; JP2016-007281 20160118
- Main IPC: G03G9/09
- IPC: G03G9/09 ; G03G9/087 ; G03G9/08

Abstract:
A toner including a toner particle containing a binder resin, a pigment, a pigment dispersant and an amorphous resin, in which the pigment dispersant has a rate of adsorption A1 (%) to the pigment of at least 80% and not more than 100%, the amorphous resin has a rate of adsorption A2 (%) to the pigment of at least 0% and not more than 60%, the binder resin has an Rf value (RfL) of at least 0.50 and not more than 1.00, and the amorphous resin has an Rf value (RfH) of at least 0.00 and not more than 0.35.
Public/Granted literature
- US20160246195A1 TONER AND TONER PRODUCTION METHOD Public/Granted day:2016-08-25
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