Patent ID: 6824946
Filing Date: 2004-11-30
Classification: B41C

Abstract:
A lithographic printing plate precursor comprising a support having a hydrophilic surface having provided thereon an image-forming layer containing a hydrophobic high molecular compound having at least either a functional group represented by formula (1) or a functional group represented by formula (2): wherein X+ represents an iodonium ion, a sulfonium ion or a diazonium ion represented by formula (7): wherein R26 to R30 each represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, an alkyl group, an aryl group, an alkynyl group, an alkenyl group, or a functional group represented by any of the following formulae: wherein R31, R32 and R33 each represents a hydrogen atom, an alkyl group, an aryl group, an alkynyl group or an alkenyl group and arbitrary two of R26 to R30 may form a ring.