Imaging element for making an improved printing plate according

Details Imaging element for making an improved printing plate according Imaging element for making an improved printing plate according

1996-10-29

1998-01-27

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...

430227, 430230, 430248, 430539, 430642, G03C 852, G03F 707

Patent

active

057120765

ABSTRACT:
The present invention provides an imaging element comprising in the order given on a hydrophilic surface of a support (i) an image receiving layer containing physical development nuclei, (ii) a photosensitive layer containing one or more silver halide emulsions being in water permeable relationship with said image receiving layer, characterized in that said one or more silver halide emulsions comprise substantially no silver bromide and that said imaging element comprises on top of said photosensitive layer an antistress layer, being in water permeable relationship with said photosensitive layer and comprising an unhardened gelatin in an amount ranging from 0.60 to 1.75 g/m.sup.2.
According to the present invention there is also provided a method for making an offset printing plate according to the silver salt diffusion transfer process comprising the steps of:

REFERENCES:
patent: 5427889 (1995-06-01), Saikawa et al.
patent: 5508142 (1996-04-01), Coppens et al.
patent: 5597676 (1997-01-01), Van Rompuy et al.
patent: 5620830 (1997-04-01), Coppens et al.

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