Imaging element and a method for producing a lithographic plate

Details Imaging element and a method for producing a lithographic plate Imaging element and a method for producing a lithographic plate

1997-04-16

2000-10-31

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430162, 430175, 430200, 430201, 4302731, 430944, 430302, G03F 7095, G03F 7021

Patent

active

06140005&

ABSTRACT:
According to the present invention there is provided an imaging element for making a lithographic printing plate comprising on a support having a hydrophilic surface a photosensitive layer and a thermosensitive layer, said thermosensitive layer being opaque to light for which said photosensitive layer has spectral sensitivity and said thermosensitive layer being capable of rendered transparent upon exposure to laser light characterised in that said thermosensitive layer is soluble or swellable in an aqueous medium.

REFERENCES:
patent: 5879861 (1999-03-01), Van Damme et al.
patent: 5922502 (1999-07-01), Damme et al.

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