Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2008-03-12
2011-12-27
Rodee, Christopher (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S066000, C430S067000, C399S159000
Reexamination Certificate
active
08084170
ABSTRACT:
An object of the present invention is to provide an electrophotographic photoconductor having an extremely low increase in friction coefficient and wear, while also having superior cleanability even after long-term or large-volume printing, and to provide an electrophotographic apparatus for forming an image using a polymerization toner without providing a unit for externally supplying a lubricant to a photoconductor. Namely, the present invention provides an electrophotographic photoconductor having a photosensitive layer and a crosslinked resin surface layer over a conductive substrate, wherein the crosslinked resin surface layer at least contains trimethylolpropane triacrylate, a dimethylpolysiloxane having a radically polymerizable functional group, and lubricating fine particles.
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Nobuo Hyakutake, et al., “Blade cleaning system for polymerized and small size toner”, Research & Development Center, DPC, Fuji, Xerox Co., Ltd., Hardcopy Fall Meeting, 14 pages (with English translation).
Fujiwara Yukio
Ikuno Hiroshi
Iwamoto Takafumi
Kami Hidetoshi
Suzuki Tetsuro
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
Rodee Christopher
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