Process for treating plate surface of lithographic printing plat

Details Process for treating plate surface of lithographic printing plat Process for treating plate surface of lithographic printing plat

1997-03-07

1998-04-14

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430248, 430264, 430302, 101466, G03F 707, G03C 832, B44M 500

Patent

active

057389691

ABSTRACT:
Disclosed is a process for treating a plate surface of a lithographic printing plate, which comprises, after exposing and developing a lithographic printing plate having a support and at least a silver halide emulsion layer and a physical development nuclei layer provided on the support, treating the plate surface of the lithographic printing plate with a plate surface-treating solution containing at least one water-insoluble compound having a mercapto group or a thione group and a compound represented by the following formula (1): ##STR1## wherein A represents a vinyl monomer unit having a carboxyl group, B represents a copolymerizable ethylenic unsaturated monomer unit, M represents a cation, k represents 30 to 90 mole %, m represents 10 to 50 mole %, and n represents 0 to 50 mole %.

REFERENCES:
patent: 5118583 (1992-06-01), Kondo et al.
patent: 5258258 (1993-11-01), Matsubara et al.
patent: 5518866 (1996-05-01), Coppers et al.
patent: 5525455 (1996-06-01), Kurokawa et al.

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