Patent ID: 7041427
Filing Date: 2006-05-09
Classification: B41C,Y10S

Abstract:
1. A heat-sensitive lithographic printing plate precursor comprising (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer and (ii) a coating provided thereon, wherein the coating comprises a polymer that is soluble in an aqueous alkaline solution and that comprises at least one chromophoric moiety having a light absorption maximum in the wavelength range between 400 and 750 nm, the chromophoric moiety having a structure according to any of the following formulae I to VI: wherein l is 0 to 3; m 0 to 4; n is 0 to 3; o is 0 to 2; x and y are independently 0 or 1; each R each R R each R with A, A G R R wherein the chromophoric Q, Q wherein h is 0 to 5; i and k are independently 0 to 4; j is 0 to 2; * represents the bond between the chromophoric group and the polymer; each R each R with L G R R