Organic photoconductors having improved pre-exposure fatigue res

Details Organic photoconductors having improved pre-exposure fatigue res Organic photoconductors having improved pre-exposure fatigue res

1985-05-13

1987-05-19

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 83, 260393, G03G 506

Patent

active

046668110

ABSTRACT:
Disclosed are compounds of the formula ##STR1## wherein n is 1 or 2; R.sup.1 and R.sup.2 are alkyl or aralkyl; R.sup.3 is alkyl; when n is 1, R.sup.4 is alkyl, aralkyl, alkenyl, aralkenyl, aryl or a polyether radical having up to 10 ether groups; and when n is 2, R.sup.4 is alkylene, aralkylene, alkenylene, aralkenylene, arylene or a divalent polyether radical having up to 10 ether groups. The compounds are highly efficacious organic photoconductors for use in electrophotography, exhibiting improved pre-exposure fatigue resistance and blooming properties as compared with known photoconductors. Photoconductive elements containing these compounds are also described.

REFERENCES:
patent: 3820989 (1974-06-01), Geoffrey

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