Lithographic printing plate

B - Operations – Transporting – 41 – C

Patent

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Details

96/3, 101/61, 31

B41C 1/10 (2006.01) G03G 5/082 (2006.01) G03G 13/28 (2006.01)

Patent

CA 1077343

ABSTRACT A method of preparing a lithographic printing plate and the resulting printing plate. The method involves the use of an electrophotographic printing element comprising 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, toning the electrostatic latent image to define ink receptive printing image areas on the surface, and applying to the surface an aqueous chromic acid solution to define water-receptive non- printing background areas.

265826

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