Toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge and image forming device
US8158319B2 · kind B2 · utility
1Cited by
2References
16Claims
0Family size
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Key dates
| Filing date | Mar 12, 2010 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Nov 11, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for electrostatic charge image development, the toner includes a binder resin, the binder resin includes an amorphous polyester resin having alkenyl groups and a crystalline polyester resin, about 5% or more of the alkenyl groups have a branched structure, and the o crystalline polyester resin has an ester concentration (M) obtained by the following Equation of from about 0.04 to about 0.08:M=K/A Equation
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.