Method for making an offset printing plate according to the silv

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Finishing or perfecting composition or product

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430204, 430248, 430302, 101466, G03C 806, G03F 707, B41M 500

Patent

active

055188664

ABSTRACT:
The present invention provides a finisher comprising (a) hydrophobizing agent(s) in a total concentration between 0.1 g/l and 10 g/l, (a) surface-active compound(s) and (a) polyglycol(s), characterized in that said polyglycol(s) comprise(s) at least 50% by weight ethyleneoxide groups and/or propyleneoxide groups whose total sum is at least 7 and is (are) present in said finisher in a total amount of at least 10 g/l and there is further provided a method for making an offset printing plate according to the silver salt diffusion transfer process therewith.

REFERENCES:
patent: 4062682 (1977-12-01), Laridon et al.
patent: 4220702 (1980-09-01), Tsubai et al.
patent: 4563410 (1986-01-01), DeJaeget et al.
patent: 5068165 (1991-11-01), Coppens et al.

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