Electrophotographic lithographic printing plate precursor and ed

Details Electrophotographic lithographic printing plate precursor and ed Electrophotographic lithographic printing plate precursor and ed

1991-11-26

1993-06-15

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce printing surface

430302, G03G 1326

Patent

active

052196879

ABSTRACT:
In an electrophotographic lithographic printing plate precursor comprising a photoconductive layer on an electrically conductive support having a hydrophilic surface thereon which is subjected to a process which comprises formation of a toner image on said photootoconductive layer, and then removal of said photoconductive layer from nonimage portions other than said toner image portion to form a lithographic printing plate, an electrophotographic lithographic printing plate precursor treated with a water-soluble or water-dispersible solid material (edge face treatment) at the edge face thereof and a water-soluble or water-dispersible solid adge face treatment therefor. In a preferred embodiment, the edge face treatmetment is a water-soluble or water-dispersible solid drawing material.

REFERENCES:
patent: 3455240 (1969-07-01), Martel et al.
patent: 4717583 (1988-01-01), McKissick et al.
patent: 4985322 (1991-01-01), Azami et al.

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