Disazo compounds and photoconductive composition as well as elec

Details Disazo compounds and photoconductive composition as well as elec Disazo compounds and photoconductive composition as well as elec

1983-09-08

1985-08-06

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 76, G03G 506

Patent

active

045336130

ABSTRACT:
An electrophotographic light sensitive element is disclosed. The element is comprised of a photoconductive support base having provided thereon a disazo compound dispersed in a binder or a charge carrier-transporting medium. A novel group of disazo compounds are disclosed as represented by the general formula (I), (II) and (III) as defined within the specification. In addition to the light sensitive element the disazo compounds and electrophotographic compositions containing them are part of the invention disclosed. The electrophotographic light sensitive elements have high sensitivity and long durability.

REFERENCES:
patent: 4272598 (1981-06-01), Sasaki et al.
patent: 4427753 (1984-01-01), Fujimura et al.

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