Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-05-24
2005-05-24
Dote, Janis L. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108700, C430S108800, C430S109300
Reexamination Certificate
active
06897003
ABSTRACT:
The invention provides a toner which can maintain sufficient image density upon continuous copying in a recycle system even under any environmental conditions without causing troubles such as fogging and toner dusting. The toner for recycle system comprises toner particles which contain, as a binder resin, at least a cycloolefin copolymer resin and, as a releasing agent, at least a polypropylene wax, and fine silica particles adhered to the surface of said toner particles. This toner is used for a toner recycling type developing method, in which the toner remaining on the surface of the photosensitive member is recovered into the developing device and is reused.
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Japanese Patent Office Machine-Assisted Translation of JP 2000-275905 (pub Oct. 2000).*
Japanese Patent Office Machine-Assisted Translation of JP 06-271628 (pub. Sep. 1994).
Japanese Patent Office Machine-Assisted Translation of JP 05-009223 (pub Jan. 1993).
Goto Moriyuki
Harada Yoshiaki
Dote Janis L.
McDermott Will & Emery LLP
Tomoegawa Paper Co. Ltd.
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