Layered electrophotographic photoreceptor comprises bis-azo char

Details Layered electrophotographic photoreceptor comprises bis-azo char Layered electrophotographic photoreceptor comprises bis-azo char

1989-04-03

1990-08-14

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 72, 430 74, 2504922, 136263, G03G 514

Patent

active

049486888

ABSTRACT:
An electrophotographic photoreceptor comprising: (1) an electrophotographic photosensitive layer which comprises a charge carrier transporting compound and a charge carrier generating compound, or (2) an electrophotographic photosensitive layer which comprises a charge carrier transporting compound layer and a charge carrier generating compound layer, on an electrically conductive support, wherein said charge carrier generating compound is a bis-azo compound represented by formula (I): ##STR1## wherein, Ar.sup.1, Ar.sup.2, Ar.sup.5 and Ar.sup.6 represent aryl groups, Ar.sup.3 and Ar.sup.4 represent arylene groups, and R.sup.1 represents a hydrogen atom or an SO.sub.3 Na group.

REFERENCES:
patent: 4440845 (1984-04-01), Hashimoto

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