Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
US11550235B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
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Key dates
| Filing date | Jul 30, 2020 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Jul 30, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0865
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing toner includes toner particles, an external additive A, and an external additive B. At least the external additive A is deposited on the surfaces of the toner particles. At least the external additive B is deposited on the external additive A. The external additive B includes an aggregate of two or more particles. The coverage of the toner particles with the external additive B is 3% by area or more with respect to the total surface area of the toner particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.