Patent ID: 8492069

Claim:
A lithographic printing plate precursor, comprising a support having thereon an image-recording layer containing (A) an infrared absorbing agent, (B) a radical polymerization initiator, (C) a radical polymerizable compound, (D) a polymer compound containing a polyoxyalkylene structure and (E) an ultraviolet absorbing agent and being capable of forming an image by supplying at least one of printing ink and dampening water on a printing machine after imagewise exposure to remove an unexposed area of the image-recording layer, wherein the ultraviolet absorbing agent (E) is represented by formulae (2) shown below: in formula (2), X 21 to X 23 each independently represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group or a heterocyclic group, provided that at least one of X 21 to X 23 represents a group represented by formula (3) shown below: in formula (3), R 31 to R 34 each independently represents a hydrogen atom or a substituent.