Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – To produce printing surface
Patent
1978-09-11
1981-05-05
Weinblatt, Mayer
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
To produce printing surface
430 94, 430309, 430331, 101465, 101467, G03G 1326, G03G 1328
Patent
active
042659876
ABSTRACT:
The method of preparing a lithographic printing plate containing ink receptive printing image areas and water receptive non-printing background areas in which the plate consists of a substrate having on one side thereof in sequence an electrically conductive layer and a photoconductive layer consisting of fully crystalline inorganic photoconductive substance. The method comprises the steps of forming an electrostatic latent image on the surface of said photoconductive layer, developing the electrostatic latent image to define the ink receptive printing image areas on the surface, and applying to the surface an aqueous chromic acid solution.
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patent: 3309990 (1967-03-01), Klupfel
patent: 3352669 (1967-11-01), Murphy
patent: 3460476 (1969-08-01), Swigert et al.
patent: 3578444 (1971-05-01), Silver
patent: 3908547 (1975-09-01), Rochlitz
patent: 3970455 (1976-07-01), Nadeau
patent: 4025339 (1977-05-01), Kuehnle
Coulter Systems Corporation
Goodrow John L.
Weinblatt Mayer
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