Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1997-09-03
1998-12-01
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430137, G03G 909
Patent
active
058436090
ABSTRACT:
This invention provides a free-flowing polyester dye microspheric powder which has superior stability and transparency for application in electrophotographic imaging systems. In another embodiment this invention provides a non-aqueous dispersion polymerization process for producing the invention polyester dye microspheric powder. A present invention toner composition comprises polyester dye microspheric powder, and one or more optional ingredients such as a charge control agent or a surfactant.
REFERENCES:
patent: 4419430 (1983-12-01), Cooper et al.
patent: 5480947 (1996-01-01), Oishi et al.
Borzo Marie
Chiang Kophu
Choe Eui-Won
Mikkilineni Rao D.
Yoon Hyun-Nam
Goodrow John
Hoechst Celanese Corp.
Kalyanaraman P. S.
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