Cyclic bis-dicarboximide charge transport compounds for electrop

Details Cyclic bis-dicarboximide charge transport compounds for electrop Cyclic bis-dicarboximide charge transport compounds for electrop

1989-11-06

1991-02-12

Welsh, David

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

252500, G03G 514

Patent

active

049923498

ABSTRACT:
Cyclic bis-dicarboximides are employed as electron transport agents in photoconductor elements. Such compounds are characterized by the formula: ##STR1## wherein: R.sup.1 and R.sup.2, which may be the same or different, represent aryl, or aryl substituted with alkyl, alkoxy, perfluoroalkyl or perfluoroalkoxy groups having 2 to 20 carbon atoms; sulfonyl; sulfone; sulfonamide; nitrile; or nitro groups;

REFERENCES:
patent: 4175960 (1979-11-01), Berwick
patent: 4442193 (1984-04-01), Chen

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