Electrostatic image developing carrier, electrostatic image developer, process cartridge, image forming method and image forming apparatus
US8603716B2 · kind B2 · utility
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3References
21Claims
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Key dates
| Filing date | Apr 7, 2010 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Oct 27, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing carrier includes a ferrite particle and a resin layer that coats the ferrite particle, wherein a magnesium element content of the ferrite particle is from about 3.0% by weight to about 20.0% by weight; wherein a manganese element content of the ferrite particle is from about 0.2% by weight to about 0.8% by weight; and wherein a content of toluene is more than about 100 ppm and not more than about 2,000 ppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.