Toner, developer, and image forming method
US8679714B2 · kind B2 · utility
2Cited by
1References
12Claims
0Family size
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Key dates
| Filing date | Sep 9, 2010 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Dec 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09733
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including: a first binder resin; a colorant; a releasing agent; and a crystalline organic compound, wherein the first binder resin contains an amorphous polyester resin (a) having a polyhydroxycarboxylic acid skeleton derived from optically active monomers in a part of a main chain of the amorphous polyester resin, and the polyhydroxycarboxylic acid skeleton has an optical purity X, calculated on the monomer basis, of 80% or less, and the optical purity X is determined from the equation,Optical Purity X (%)=|X(L-form)−X(D-form)|
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.