Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2006-06-06
2006-06-06
Chapman, Mark A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108800, C430S108100, C430S110100, C430S110300, C430S109400, C399S252000
Reexamination Certificate
active
07056636
ABSTRACT:
A dry toner contains at least a toner binder, organic fine particles, a colorant, a wax, a charge control agent, and an external additive. The wax is concentrated in the vicinity of a toner core including the toner binder, colorant and wax. The organic fine particles adhere to the surface of the toner core to form a base toner-particle, the fine particle of charge control agent adhere to the surface of the base toner-particle, and the external additive is located on the surface thereof.
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Derwent Publications, AN 2002-247786, XP-002280024, JP 2002-006541, Jan. 9, 2002.
Derwent Publications, AN 2001-508716, XP-002280025, JP 2001-194822, Jul. 19, 2001.
Emoto Shigeru
Higuchi Hiroto
Ichikawa Tomoyuki
Kondo Maiko
Nanya Toshiki
Chapman Mark A.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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