Electrophotographic recording medium containing .tau. and .eta.

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product

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430 58, 430 76, 26024572, 26024573, 26024575, 26024579, 26024581, G03G 506, C09B 4704

Patent

active

045073740

ABSTRACT:
The disclosure is concerned with an electrophotographic recording medium having a layer of a photoconductive material containing at least one member selected from the group consisting of .tau., .tau.', .eta., and/or .eta.' form metal free phthalocyanine, the layer being formed on an electroconductive supporter.
The recording medium of this invention is characterized in that the recording medium exhibits high sensitivity to longer wavelength light.

REFERENCES:
patent: 3640710 (1972-02-01), Mammino et al.
patent: 3708293 (1973-01-01), Brach et al.
patent: 3789216 (1974-01-01), Komp
patent: 3816118 (1974-06-01), Byrne
patent: 3992205 (1976-11-01), Wiedemann
patent: 4141904 (1979-02-01), Cabut et al.

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