Tetrakisazo photoconductive composition and electrophotographic

Details Tetrakisazo photoconductive composition and electrophotographic Tetrakisazo photoconductive composition and electrophotographic

1988-09-12

1989-11-21

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, 430 59, 430 71, 430 72, 430 76, 430 78, 534738, 534754, 534755, 534806, G03G 506, G09B 3564

Patent

active

048822493

ABSTRACT:
Disclosed are a photoconductive composition containing a new tetrakisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the tetrakisazo compound of the formula (1): ##STR1## wherein R.sup.11, R.sup.12, A, Ar.sup.1, Ar.sup.2, Ar.sup.3, Ar.sup.4, Ar.sup.5, and Ar.sup.6 are defined hereinbefore. The electrophotographic photoreceptor has both high sensitivity and high durability, and the sensitivity thereof is barely lowered even after repeated use.

REFERENCES:
patent: 4666810 (1987-05-01), Umehara et al.

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