Electrophotographic photosensitive azo pigment containing member

Details Electrophotographic photosensitive azo pigment containing member Electrophotographic photosensitive azo pigment containing member

1981-09-22

1983-06-28

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, 430 72, 430 74, 430 75, 430 76, 430 77, 430 78, 430 79, 260152, 260156, 260157, 260158, 260165, 260164, 260173, 260174, 260177, 260178, 260179, 260172, 260181, 260184, 260194, 260195, 260196, 260199, G03G 506, G03G 514

Patent

active

043906117

ABSTRACT:
An electrophotographic photosensitive member having a photosensitive layer is characterized in that said photosensitive layer contains azo pigments having at least one of azo groups linked to a coupler residue represented by the following formula [1] or [2]: ##STR1## wherein R.sub.1 and R.sub.3 independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl, and R.sub.2 and R.sub.4 independently represent substituted or unsubstituted aryl.

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