Patent ID: 8371219
Filing Date: 2013-02-12
Classification: B41C,G03F

Abstract:
1. A lithographic printing plate precursor comprising an image-recording layer and a support, wherein the image-recording layer comprises: (A) at least one compound selected from compounds represented by the following formulae (1) and (2); and (B) an infrared absorbing agent: wherein R 1 and R 2 each represents R a —SO 3 —, R a —CO 2 — or R a —OCO 2 —, R a represents a monovalent organic group, R 3 to R 12 each represents a hydrogen atom or a monovalent substituent, or adjacent two of R 3 to R 12 may be combined with each other to form a ring, X 1 , Y 1 and Z 1 and X 2 , Y 2 and Z 2 each represents an atomic group necessary to form a thiazole ring, an oxazole ring, an imidazole ring, a triazole ring or a 3H-indole ring, provided that one nitrogen atom of the imidazole ring is connected to a hydrogen atom or a monovalent organic group.