Electrophotographic element having 1,4-bis(azostyryl)-2,5 dimeth

Details Electrophotographic element having 1,4-bis(azostyryl)-2,5 dimeth Electrophotographic element having 1,4-bis(azostyryl)-2,5 dimeth

1979-11-21

1981-05-19

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, G03G 506

Patent

active

042685966

ABSTRACT:
The present invention provides an electrophotographic element which comprises an electroconductive support and a photosensitive layer, formed thereon, which contains some disazo pigment expressed by the general formula ##STR1## [wherein A represents ##STR2## (wherein X represents aromatic ring, hetero ring or substitutes thereof, R.sub.1 represents aromatic ring, hetero ring or substitutes thereof, Ar.sub.2 and Ar.sub.3 represents aromatic ring or substitutes thereof, R.sub.1 and R.sub.3 represents hydrogen, lower alkyl group, phenyl group or substitutes thereof, and R.sub.2 represents lower alkyl group, carboxyl group or esters thereof)].

REFERENCES:
patent: 3775105 (1973-11-01), Kukla
patent: 3837851 (1974-09-01), Shattuck et al.
patent: 3871882 (1975-03-01), Wiedemann
patent: 3977870 (1976-08-01), Rochlitz
patent: 4018607 (1977-04-01), Contois
patent: 4026704 (1977-05-01), Rochlitz
patent: 4052210 (1977-10-01), Hectors

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