Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2011-03-01
2011-03-01
Le, Hoa V (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C534S573000, C534S755000
Reexamination Certificate
active
07897309
ABSTRACT:
A bisazo compound represented by Chemical structure 1:wherein, Ar1and Ar2independently represent a substituted or non-substituted aryl group, when at least one of Ar1and Ar2has a substituent, the substituent is selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, phenyl group, biphenyl group, naphthyl group, anthryl group, and pyrenyl group, R1, represents an alkyl group, an alkoxy group, a halogen atom, or nitrile group, R2represents ethylene group or vinylene group, and n represents an integer of from 1 to 3 and when n is 2 or 3, R1s are independent from each other.
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Cooper & Dunham LLP
Le Hoa V
Ricoh & Company, Ltd.
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