Multi-layered electrophotographic element having a mixture of pe

Details Multi-layered electrophotographic element having a mixture of pe Multi-layered electrophotographic element having a mixture of pe

1992-10-09

1994-07-19

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 78, G03G 506

Patent

active

053308654

ABSTRACT:
A multi-layered electrophotographic element providing significantly improved properties, especially for use in photocopying and printing, which comprises a conductive support carrying a photoconductive layer comprising a photoconductive charge generating layer and a charge transporting layer on the charge generating layer. The charge generating photoconductive layer comprises a mixture of charge generating perylene pigments of the following structures ##STR1## wherein the mixture of perylene pigments is selected from pigment mixtures of a perylene of structure 1 with a perylene of structure 2, pigment mixtures of perylenes of structure 1 and pigment mixtures of perylenes of structure 2.

REFERENCES:
patent: 4937164 (1990-06-01), Dutt et al.
patent: 5077161 (1991-12-01), Law
patent: 5192634 (1993-03-01), Ichimura et al.
Research Disclosure Oct. 1991, Mixtures of Perylene-Pigments for Use in a Photoconductive Element, pp. 818-819.

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