Electrophotographic recording material

Details Electrophotographic recording material Electrophotographic recording material

1974-03-20

1976-08-03

Klein, David

Gas separation: apparatus

Magnetic separating means

96 16, G03G 504

Patent

active

039727173

ABSTRACT:
This invention relates to an electrophotographic recording material comprising a conductive support, an organic substance capable of transporting electrical charge, and a dyestuff of purple to violet color, having: (a) an X value in the range of from 0.13 to 0.52 and a Y value within the range of from 0.019 to 0.33 in the CIE system, (b) an extended .pi.-electron system of at least 20 .pi.-electrons, and (c) possessing a reflectance of not more than 50% throughout the spectral region of 420 to 750 nm when in the form of a single color-masking layer of about 0.1 g/m.sup.2, and which has a high photosensitivity throughout the said spectral range. The invention also relates to a process for the preparation of the novel recording material.

REFERENCES:
patent: 3287117 (1966-11-01), Hoegl
patent: 3442781 (1969-05-01), Weinberger
patent: 3635981 (1972-01-01), Weinberger
patent: 3667944 (1972-06-01), Weinberger
patent: 3676313 (1972-07-01), Ciccarelli

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