Photolithographic element containing a silver-receptive polyalde

Radiation imagery chemistry: process – composition – or product th – Imaged product – Multilayer

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430204, 430232, G03C 554, G03C 148

Patent

active

043616356

ABSTRACT:
A photolithographic sheet capable of forming a lithographic printing plate upon imaging via silver salt diffusion transfer comprising a support, a silver halide emulsion, and a receptor layer overlying the emulsion, the receptor layer comprising a high molecular weight hydrophilic polymer and catalytic nuclei for silver salt diffusion transfer development, the major proportion of the polymer being a dialdehyde polysaccharide.

REFERENCES:
patent: 3057723 (1962-10-01), Jeffreys et al.
patent: 3690885 (1972-09-01), Krafft et al.
patent: 3904412 (1975-09-01), Serrein et al.
patent: 4297430 (1981-10-01), Kanada et al.

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