Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Reexamination Certificate
2005-01-31
2008-11-18
Shiao, Rei-tsang (Department: 1626)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
C430S058600, C548S416000
Reexamination Certificate
active
07452641
ABSTRACT:
Charge transport compounds are described that have a multiple number of hydrazone-bridged (N,N-disubstituted)arylamine groups connected by a central bridging group. Examples of charge transport compounds of this invention are those having the following generic formula:in-line-formulae description="In-line Formulae" end="lead"?(R-Q)n-Yin-line-formulae description="In-line Formulae" end="tail"?where R is an (N,N-disubstituted)arylamine group;Q comprises an aliphatic or aromatic hydrazone linking group;n is 2; andY comprises a bridging group comprising an aryl group having the formula —Ar1-G-Ar2— where Ar1and Ar2are, each independently, an arylene group and G comprises a bond, O, S, —SO2—, an imine group, an alkylene group, or an aromatic group.
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Grazulevicius Juozas V.
Jasiukaityte Edita
Jubran Nusrallah
Law Kam W.
Lee Hwan Koo
Chung Susannah
DLA Piper (US) LLP
Samsung Electronics Co,. Ltd.
Shiao Rei-tsang
LandOfFree
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