Toner for electrostatic image development, electrostatic image developer, and toner cartridge
US11181841B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2020 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Apr 7, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for electrostatic image development includes: toner particles; Si-doped strontium titanate particles; and silica particles. The particle diameter D of at least one peak in a number-based particle size distribution of primary particles of the silica particles is larger than the number-based median diameter D50 of primary particles of the Si-doped strontium titanate particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.