Poly(azine)-based charge transport materials

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product

Reexamination Certificate

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C430S074000, C430S126200, C548S444000

Reexamination Certificate

active

10814938

ABSTRACT:
An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:(a) a charge transport material having the formulawhere X1and X2are, each independently, a linking group;Ar comprises an aromatic group;R1, R2, and R3comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; andn is a distribution of integers between 1 and 100,000 with an average value of greater than one; and(b) a charge generating compound.Corresponding electrophotographic apparatuses, imaging methods, and methods of forming the charge transport material are described.

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