Charge transport materials having a central disulfane linkage

Details Charge transport materials having a central disulfane linkage Charge transport materials having a central disulfane linkage

2004-06-10

2008-11-04

Huff, Mark F (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C430S073000, C430S079000

Reexamination Certificate

active

07445877

ABSTRACT:
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 Y1and Y2comprise, independently, an aromatic group;X1and X2are each a linking group;W1and W2are each a —(CH2)n— group or a —(CH2)n-1—C(═O)— group, where n is an integer between 1 and 10;Ar1and Ar2comprise each a divalent aromatic group;Q1and Q2are each O, S, or NR;Z1and Z2comprise, independently, a bond, a vinyl group, a —CR1═N—NR2— group, or a —CR3═N—N═CR4— group; andR, R1, R2, R3, and R4comprise, independently, H, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, a heterocyclic group, or an aromatic group; and(b) a charge generating compound.Corresponding electrophotographic apparatuses and imaging methods are described.

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