Process for making lithographic printing plate
AssigneeMitsubishi Paper Mills Limited
InventorsToshiro Kondo, Makiko Oko, Yutaka Araki, Hajime Fujioka
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Abstract
Disclosed is a process for making a lithographic printing plate by subjecting a lithographic printing material having physical development nuclei between an aluminum support and a silver halide emulsion layer to exposure and then processing the lithographic printing material at least with a developing solution and a water washing solution in this order, which comprises performing the processing(s) with the developing solution and/or the water washing solution by using the developing solution and/or the water washing solution containing an organic compound which coagulates gelatin.
Claims8
A process for making a lithographic printing plate by subjecting a lithographic printing material having physical development nuclei between an aluminum support and a silver halide emulsion layer to exposure and then processing the lithographic printing material at least with a developing solution, a water washing solution for removing the silver halide emulsion layer in this order, which comprises:
- performing the processing(s) with the developing solution and/or the water washing solution by using the developing solution and/or the water washing solution containing an organic compound which coagulates gelatin.
Dependencies are inferred from the claim text.