Sensitive electrophotographic plates containing squaric acid met

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 70, 430 71, 430 76, 430 77, 430 78, G03G 506

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045006210

ABSTRACT:
Electrographic imaging process and electrographic plates utilized therein are provided wherein the photoconductive layer comprises a squaric acid methine dye admixed with a binder or a photoconductive material. The photoconductive layer may also comprise the squaric acid methine dye, a binder and a charge transport material.

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patent: 3816118 (1974-06-01), Byrne
patent: 3824099 (1974-07-01), Champ et al.
patent: 4123269 (1978-10-01), Von Hoene et al.
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patent: 4353971 (1982-10-01), Chang et al.
"Reduction of Fatigue in Squarylium Particulate Photoconductor by Electron-Transport Doping", Balanson et al., IBM Tech. Discl. Bull, vol. 24, No. 11B, Apr. 1982, p. 6194.
"Photoconductivity of Organic Particle Dispersions: Squarine Dyes", Loutfy et al., PSE, vol. 27, No. 1, Jan.-Feb. 1983, pp. 5-9.
Merritt, V. Y., IBM J. Res. Develop., 22 (Jul. 1978), "Organic Photovoltaic Materials: Squarylium and Cyanine-TCNQ Dyes".

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