Carrier for electrostatic image developer, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus
US8728697B2 · kind B2 · utility
1Cited by
5References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 12, 2010 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Apr 14, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier for electrostatic image development includes: a carrier body including a core and a resin coating layer on the core; and first spherical silica particles having a volume-average particle diameter of from 50 nm to 300 nm that adhere to the surface of the carrier body at a ratio of from 0.001 parts by weight to 0.100 parts by weight relative to 100 parts by weight of the carrier body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.