Invention Grant
- Patent Title: Toner and two-component developer
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Application No.: US17117444Application Date: 2020-12-10
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Publication No.: US11714362B2Publication Date: 2023-08-01
- Inventor: Ichiro Kanno , Takeshi Hashimoto , Kentaro Kamae , Hayato Ida
- 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: JP 19225469 2019.12.13
- Main IPC: G03G9/087
- IPC: G03G9/087 ; G03G9/097 ; G03G9/08 ; G03G9/107

Abstract:
A toner having: a toner particle containing a binder resin including a first resin and a second resin; and an inorganic fine particle on a surface of the toner particle, wherein the first resin has a specific content ratio of a specific monomer unit, acid values of the first unit and second unit are within specific ranges, a domain matrix structure including a matrix containing the first resin and domains containing the second resin appears in cross-sectional observation of the toner, a compound having an alkyl group is present on a surface of the inorganic fine particle, and a volume resistivity of the inorganic fine particle is 1.0×105 Ω·cm to 1.0×1013 Ω·cm.
Public/Granted literature
- US20210181651A1 TONER AND TWO-COMPONENT DEVELOPER Public/Granted day:2021-06-17
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