Invention Grant
- Patent Title: Toner, two-component developer, and image-forming apparatus
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Application No.: US17405936Application Date: 2021-08-18
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Publication No.: US12025951B2Publication Date: 2024-07-02
- Inventor: Hiroki Maeda
- Applicant: SHARP KABUSHIKI KAISHA
- Applicant Address: JP Sakai
- Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee: SHARP KABUSHIKI KAISHA
- Current Assignee Address: JP Sakai
- Agency: ScienBiziP, P.C.
- Priority: JP 20147591 2020.09.02
- Main IPC: G03G9/097
- IPC: G03G9/097 ; G03G9/08 ; G03G15/00

Abstract:
The toner has a toner matrix particle containing a crystalline polyester resin. Associated silica including two or more of primary particles is present on the surface of the toner matrix particle. The coverage with associated silica onto the toner matrix particle is 1% or more to 30% or less, and the adherence strength of associated silica to the toner matrix particle is 20% or more to 90% or less.
Public/Granted literature
- US20220066342A1 TONER, TWO-COMPONENT DEVELOPER, AND IMAGE-FORMING APPARATUS Public/Granted day:2022-03-03
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