Toner for electrophotography

Details Toner for electrophotography Toner for electrophotography

2005-07-05

2009-12-01

Huff, Mark F (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

C430S109100, C430S123540

Reexamination Certificate

active

07625684

ABSTRACT:
A toner for electrophotography containing a resin binder and a colorant, wherein the resin binder contains a polyester in an amount higher than 50% by weight of the resin binder, wherein the polyester is obtained by polycondensing an alcohol component containing 60% by mol or more of an aliphatic diol having 3 to 10 carbon atoms and a carboxylic acid component comprising 80% by mol or more of an aromatic dicarboxylic acid compound, the polyester having an index of crystallinity of from 0.6 to 1.5, and a glass transition temperature of 0° C. or more and less than 40° C. The toner for electrophotography of the present invention can be used for, for example, developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.

REFERENCES:
patent: 2004/0132920 (2004-07-01), Matsumura et al.
Patent Abstracts of Japan, JP 11-249339, Sep. 17, 1999.
Patent Abstracts of Japan, JP 56-065146, Jun. 2, 1981.
Patent Abstracts of Japan, JP 4-120554, Apr. 21, 1992.

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