Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1998-03-10
1999-12-07
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, G03G 9087
Patent
active
059980737
ABSTRACT:
A dry toner for electrophotography includes a coloring agent, a releasing agent, and a polyol resin having a polyoxy alkylene moiety in a main chain thereof, with a ratio of Mw/Mn of 4 to 10, serving as a binder resin, which is synthesized by allowing an epoxy resin, a dihydric phenol, and an alkylene oxide adduct of a dihydric phenol, or a glycidyl ether thereof to react.
REFERENCES:
patent: 5061588 (1991-10-01), Fushimi et al.
patent: 5554478 (1996-09-01), Kuramoto et al.
patent: 5840456 (1998-11-01), Tomita et al.
Kuramoto Shin-ichi
Sugimoto Shohichi
Goodrow John
Ricoh & Company, Ltd.
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