Method for making a lithographic printing plate according to the

Details Method for making a lithographic printing plate according to the Method for making a lithographic printing plate according to the

1992-12-04

1994-02-01

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

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

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

430234, 430251, 430302, 430413, 430415, 430416, G03C 832, G03F 707

Patent

active

052831566

ABSTRACT:
The present invention provides a method for making a lithographic printing plate according to the silver salt diffusion transfer process comprising the steps of image-wise exposing an imaging element comprising on a support a photosensitive layer comprising a silver halide emulsion and an image receiving layer containing physical development nuclei and developing said imaging element in the presence of developing agent(s) and silver halide solvent(s) using an alkaline processing liquid characterized in that said development is carried out in the presence of a regulator according to one of the formulas as specified in the claims. The present invention further provides an imaging element and alkaline processing liquid for use in said method.

REFERENCES:
patent: 4003910 (1977-01-01), Bartels-Keith et al.
patent: 4297429 (1981-10-01), Kanada et al.
patent: 5200294 (1993-04-01), De Keyzer et al.

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