Agfa Graphics Nv

Jan Sinnesael

Ludovicus H Vervloet

Jens Lenaerts

Peter Hendrikx

Tim Desmet

Sam Verbrugghe

Roberto Carbonini

Ludovicus Hendrik Vervloet

A method of making a lithographic printing plate includes the steps of a) image-wise exposing a lithographic printing plate precursor, including a support including a hydrophilic surface or a hydrophilic layer and, thereon, a light or heat sensitive coating including a photopolymerizable composition, b) processing the precursor, consecutively, with a first solution and a second solution, to remove the coating from the support in the non-printing areas, wherein the first and second solutions are provided by a cascade system, the second solution overflows into the first solution and the first solution overflows into a container to be treated as waste, and the second solution is regenerated by adding a replenishing solution or a mixture of replenishing solutions at a rate of at least 5 ml/mof treated precursor and at most 100 ml/mof treated precursor.

Method of making a lithographic printing plate

A method of making a lithographic printing plate including the steps of a) image-wise exposing a lithographic printing plate precursor including a light or heat sensitive coating on a support having a hydrophilic surface or which is provided with a hydrophilic layer, and b) processing the precursor consecutively with a first solution and a second solution thereby removing the coating from the support in the non-printing areas. The first and second solutions are provided by a cascade system such that the second solution overflows into the first solution and the first solution overflows into a container to be further treated as waste, and the second solution is regenerated by adding a replenishing solution or a mixture of replenishing solutions at a rate of at least 5 ml/mof treated precursor and at most 30 ml/mof treated precursor.

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Mortsel, Belgium

Jan Sinnesael