Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2008-04-15
2008-04-15
Chapman, Mark A. (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
Reexamination Certificate
active
07358016
ABSTRACT:
A top surface layer of an electrophotographic photosensitive element (e.g., a charge-transporting layer) is rendered to contain a cyclic polysilane represented by the following formula (1).In the formula, R1and R2are the same or different from each other and each represents a group such as an alkyl group, an aryl group, and “m” denotes an integer of not less than 4.The cyclic polysilane may be a copolysilane. The content of the cyclic polysilane may be about 0.01 to 10% by weight relative to the whole components of the top surface layer.
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Fujiki Tsuyoshi
Kawasaki Shinichi
Murase Hiroaki
Sakamoto Hiroki
Tanaka Masashi
Chapman Mark A.
Osaka Gas Co. Ltd.
Pillsbury Winthrop Shaw & Pittman LLP
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