Patent ID: 8105755
Filing Date: 2012-01-31
Classification: B41C,G03F

Abstract:
1. Method of producing an imaged lithographic printing plate comprising: (a) imagewise exposing a negative working lithographic printing plate precursor comprising (b) treating the imagewise exposed precursor with an aqueous alkaline processing liquid comprising (c) removing any excess of processing liquid from the treated precursor obtained in step (b), (d) optionally drying, (e) optionally baking, (f) mounting the precursor obtained in step (c), (d) or (e) on a press and then contacting it either simultaneously or subsequently with fountain solution and printing ink, with the proviso that there is no washing step between any of steps (a) to (f), with the further proviso that step (c) is not a washing step and with the further proviso that after step (b) there is no gumming step.