Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-04-05
2011-04-05
Chapman, Mark A (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108210, C430S108230, C430S048000
Reexamination Certificate
active
07919221
ABSTRACT:
An electrophotographic printing toner including a colorant and a resin, wherein the colorant includes a dye having at least one reactive group selected from the group consisting of SO2CnH2nOSO3H, NHCOCnH2nOSO3H, NHSO2CnH2nOSO3H, COCnH2nOSO3H and SO2CHCH2, wherein n represents an integer of from 1 to 4.
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Asami Tsuyoshi
Yamazaki Aiko
Chapman Mark A
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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