Organic double layer electrophotographic recording material

Details Organic double layer electrophotographic recording material Organic double layer electrophotographic recording material

1978-03-02

1982-02-16

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 69, 430 74, 430900, G03G 506

Patent

active

043159818

ABSTRACT:
This invention relates to an electrophotographic recording material consisting of an electroconductive support material and a photoconductive double layer of organic materials which consists of a homogeneous, opaque, charge carrier producing dyestuff layer from a more annealed quinone or the substitution product thereof, selected from the group consisting of dibenzopyrene quinone, anthanthrone, pyranthrone, dibenzanthrone, and flavanthrone, possible substituents being halogen, nitro, amino, hydroxy, alkoxy, mercapto or alkyl mercapto groups, and of a transparent top layer of insulating materials with at least one charge transporting compound.

REFERENCES:
patent: 3287120 (1966-11-01), Hoegl
patent: 3598582 (1971-08-01), Herrick
patent: 3861913 (1975-01-01), Chiou
patent: 3877935 (1975-04-01), Regensburger

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