Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
US8465895B2 · kind B2 · utility
2Cited by
1References
23Claims
0Family size
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Key dates
| Filing date | May 12, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing toner contains a binder resin and at least two different kinds of white pigments, wherein from about 10% by weight to about 30% by weight of the at least two kinds of white pigments is porous titanium oxide having a volume average particle diameter of from about 0.01 μm to about 1 μm, a particle size distribution (volume average particle size distribution index GSDv) of from 1.1 to 1.3 and a BET specific surface area of from about 250 m2/g to about 500 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.