Electrostatic image developing carrier, electrostatic image developing developer, electrostatic image developing developer cartridge, process cartridge, and image forming apparatus
US8512927B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
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Key dates
| Filing date | Apr 4, 2007 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Dec 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developing carrier including at least a core material and a coating resin layer which coats the surface of the core material, the resin layer comprising a thermoplastic resin having an alicyclic group, a thermal reduction in accordance with the TGA method being in the range of 0.5 weight % to 5 weight % of the whole of the carrier in the range of 100° C. to 400° C., and further an endothermic quantity of the whole of the carrier in accordance with the DTA method is in the range of 7 mJ/g to 40 mJ/g in the range of 100° C. to 400° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.