Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2006-03-21
2006-03-21
Chapman, Mark A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S077000, C430S079000, C430S058050, C430S126200, C399S159000, C549S001000, C549S090000
Reexamination Certificate
active
07014968
ABSTRACT:
Improved organophotoreceptor comprises a photoconductive element comprising:(a) a charge transport material having the formulawhere Y1and Y2are, each independently, a bond, —CR1═N—NR2—, or —CR3═N—N═CR4— where R1, R2, R3, and R4comprise, each independently, H, an alkyl group, an alkenyl group, a heterocyclic group, or an aromatic group;X1and X2are, each independently, a linking group;T1and T2are, each independently, a thiiranyl group, H, an alkyl group, an alkenyl group, or an aromatic group with the proviso that at least one of T1and T2is a thiiranyl group; andAr comprises an aromatic group with the proviso that when both Y1and Y2are a bond and one of T1and T2is not a thiiranyl group, Ar comprises a bis[(N,N-disubstituted)amino]aromatic group or a bicarbazole group; and(b) a charge generating compound.Corresponding electrophotographic apparatuses and imaging methods are described.
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Gaidelis Valentas
Getautis Vytautas
Jubran Nusrallah
Montrimas Edmundas
Paliulis Osvaldas
Chapman Mark A.
Samsung Electronics Co,. Ltd.
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