Electrophotographic element having charge transport layer

Details Electrophotographic element having charge transport layer Electrophotographic element having charge transport layer

1979-02-12

1981-01-13

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 59, 430900, G03G 509

Patent

active

042450217

ABSTRACT:
An electrophotographic element according to the present invention exhibits an exceedingly high sensitivity and it comprises (1) an electroconductive support, a charge producing layer consisting essentially of a charge producing substance and a charge transport layer consisting essentially of a charge transport substance having the following general formula and a binder, the last-mentioned two layers being superposed in that order or vice versa on said support, or (2) an electroconductive support and a photosensitive layer, superposed thereon, and consisting essentially of a charge producing substance, a charge transport substance having said general formula and a binder: ##STR1## (wherein n is an integer of 1 or 2, R.sub.1 stands for hydrogen atom or an alkyl, nitro, dialkylamino, alkoxy, nitrile or carboxylic ester group, and R.sub.2 and R.sub.3 stand for hydrogen or halogen atom or nitro or dialkylamino group respectively).

REFERENCES:
patent: 3791824 (1974-02-01), Bauer et al.
patent: 3953207 (1976-04-01), Horgan
patent: 3955978 (1976-05-01), Rochlitz et al.

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