ELIMINATING-CORRECTING METHOD OF UNNECESSARY IMAGE AREA OF LITHOGRAPHIC PRINTING PLATE AND ELIMINATING-CORRECTING LIQUID FOR UNNECESSARY IMAGE AREA OF LITHOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a convenient method for correcting a printing stain by coating an unnecessary image area, particularly a correcting method for enabling correction of the unnecessary image area without any consequent stain of a peripheral part.;SOLUTION: In this eliminating-correcting method of the unnecessary image area of the lithographic printing plate, elimination-correction of the unnecessary image area is performed by processes wherein a first correcting liquid containing at least one kind of hydrophilic resin is applied to the unnecessary image area and the periphery thereof and dried and then a second correcting liquid containing at least one kind of hydrophobic resin is applied to the unnecessary image area and dried.;COPYRIGHT: (C)2007,JPO&INPIT