Layered electrophotographic photosensitive element having hydraz

Details Layered electrophotographic photosensitive element having hydraz Layered electrophotographic photosensitive element having hydraz

1981-09-23

1984-01-03

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 57, G03G 514

Patent

active

044242662

ABSTRACT:
An electrophotographic photosensitive element having a conductive support provided thereon with a photosensitive layer comprising (i) a carrier-generating phase layer containing a carrier-generating material selected from the group consisting of perylene dyes, polycyclic quinones and azo dyes and (ii) a carrier-transporting phase layer containing a carrier-transporting material wherein said carrier-transporting phase comprises a hydrazone compound represented by the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an aryl group which may have a substituent or substituents, and Ar represents an arylene group which may have a substituent or substituents.

REFERENCES:
patent: 3717462 (1973-02-01), Negishi et al.
patent: 3765884 (1973-10-01), Shea
patent: 4150987 (1979-04-01), Anderson et al.

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