Invention Grant
- Patent Title: Toner for developing electrostatic charge image
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Application No.: US16793401Application Date: 2020-02-18
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Publication No.: US11079694B2Publication Date: 2021-08-03
- Inventor: Kenshi Miyajima , Shinya Obara , Ikuko Sakurada
- Applicant: Konica Minolta, Inc.
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta, Inc.
- Current Assignee: Konica Minolta, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Lucas & Mercanti, LLP
- Priority: JPJP2019-043296 20190311
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/087 ; G03G9/097

Abstract:
A toner for electrostatic charge image development is a toner for electrostatic charge image development including toner particles containing a binder resin and an external additive, wherein the binder resin contains a crystalline polyester resin and an amorphous polyester resin, the external additive includes Al—Si composite oxide particles, and a Si element content of the Al—Si composite oxide particles is in the range of 50 to 90 mass % and a Si element ratio on surfaces of the Al—Si composite oxide particles is in the range of 3 to 35 at %.
Public/Granted literature
- US20200292952A1 TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE Public/Granted day:2020-09-17
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