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US 6,758,140 B1Granted
Inkjet lithographic printing plates
AssigneeEastman Kodak Company
InventorsThomas P. Szumla, David A. Niemeyer, Charles D. DeBoer
Life of this patent
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Abstract
A method for preparing lithographic printing plates comprising coating a substrate with a mixture including colloidal silica, fumed alumina, polyethylenimine, a quaternary ammonium polymer and a hardener; utilizing an inkjet printer with pigmented inks to print a digital image on the coated substrate; and drying the image.
Claims5
A method for preparing lithographic printing plates comprising:
- (a) coating a substrate with a mixture including colloidal silica, fumed alumina, polyethylenimine, a quaternary ammonium polymer and a hardener;
- (b) utilizing an inkjet printer with pigmented inks to print a digital image on said coated substrate;
- and
- (c) drying the image.
1 more element
Dependencies are inferred from the claim text.