G - Physics – 03 – C
Patent
G - Physics
03
C
400/1347, 400/16
G03C 1/00 (2006.01) B41N 3/08 (2006.01) C08L 1/28 (2006.01) G03C 5/38 (2006.01)
Patent
CA 1070876
ABSTRACT The invention relates to methods of developing, gumming, gum etching, dampening during printing, cleaning during and after printing, and treatment before storage, of lithographic printing plates, and to compositions therefor which utilize polyacrylamide polymers and blend thereof in place of or as an extender for the traditional gum arabic. The invention also relates to the treated lithographic plates.
249790
Czerepinski Ralph G.
Garrett Walter L.
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