US Patent 7419758 Lithographic printing plate precursor and lithographic printing method

A lithographic printing plate precursor comprising an image recording layer containing a sensitizing dye, a polymerization initiator, a polymerizable compound and a binder polymer and a hydrophilic support, wherein the image recording layer or a layer optionally provided between the image recording layer and the hydrophilic support contains a compound capable of forming an adsorptive group to the hydrophilic support due to heat, an acid or a radical.