Production of planographic printing patterns

Details Production of planographic printing patterns Production of planographic printing patterns

G - Physics

03

C

96/4, 96/40, 96/

G03C 5/38 (2006.01) G03F 7/07 (2006.01)

Patent

CA 1055759

A b s t r a c t A process of producing a planographic printing plate according to the silver complex diffusion transfer process is described wherein a light-sensitive silver halide ma- terial is exposed and treated while in contact with an] aluminium sheet or foil or supported aluminium layer serving as image receiving material, with an aqueous al- kaline processing liquid to cause development of the exposed silver halide, to cause unexposed and undeveloped silver halide to become complexed by a silver halide complexing agent and to transfer said complexed silver halide to the said image-receiving material where it is converted to a silver image in the presence of development nuclei characterised in that the said aqueous alkaline processing liquid contains at least one compound of the formula : MOOC-X-COOM wherein X is either -CH=CH, Image , Image , Image or Image an M is an alkali metal.

219697

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