Patent ID: 6060209
Filing Date: 2000-05-09
Classification: G03F

Abstract:
A process for making a lithographic printing plate comprising the steps of:subjecting a lithographic printing material having physical development nuclei between an aluminum support and a silver halide emulsion layer to exposure and thenprocessing the lithographic printing material at least with processing solutions of a developing solution, a washing solution and a finishing solution, applied in this order,wherein at least one of said processing solutions contains a compound of the group (A) recited below or at least one of the washing solution and the finishing solution contains a compound of the group (B) recited below:(A) at least one compound selected from the group consisting of an amine compound having a propyleneoxy group and an ethyleneoxy group, an aliphatic acid amide compound having a propyleneoxy group and an ethyleneoxy group, and a quaternary ammonium compound having a propyleneoxy group and an ethyleneoxy group; and(B) at least one compound selected from the group consisting of urea and a derivative thereof.