Electrophotographic organophotoreceptors with novel charge...

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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C430S058450, C430S058500, C430S058550, C430S058600, C430S079000, C399S162000, C548S251000, C548S257000, C548S364700, C548S444000

Reexamination Certificate

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07118839

ABSTRACT:
An organophotoreceptor that includes:(a) a charge transport compound having the formulawhere n is an integer between 2 and 6, inclusive;R1is an aryl group;R2is a sulfolanyl group; a pyrrolyl group; a tetrazolyl group; a benzotriazolyl group; a stilbenyl group; an alkylsulfonylphenyl group, an arylsulfonylphenyl; a pyrazolyl group; or group A, where A iswith the proviso that when R2is an alkylsulfonylphenyl group or an arylsulfonylphenyl, R1may be hydrogen, an alkyl group, or an aryl group;X is an alkylene linking group as described in the specification; andY is a bond, C, N, O, S, a —(CH2)p— group where p is an integer between 0 and 10, an aryl group, a cycloalkyl group, a cyclosiloxyl, a heterocyclic group, or a CR7group where R7is H, alkyl group, or aryl group;(b) a charge generating compound; and(c) an electrically conductive substrate.

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