Electrostatic-image-developing toner, electrostatic image developer, method of manufacturing electrostatic-image-developing toner, toner cartridge, process cartridge, method of image formation, and image forming apparatus
US8568948B2 · kind B2 · utility
1Cited by
2References
13Claims
0Family size
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Key dates
| Filing date | Jan 28, 2010 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Nov 28, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing toner includes toner particles that contain a binding resin, a coloring agent and a release agent and that have D50 of from about 2.0 μm to about 8.0 μm, D50 standing for a volume-average particle size of the toner particles; and non-colored release agent particles, wherein out of the non-colored release agent particles, those ranging in volume-average particle size of from about 0.8 to about 1.2 times a value of D50 are present in a proportion of about 50 or below per 5,000 of the toner particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.