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Processless lithographic printing plate

  • US 20020132187A1
  • Filed: 11/19/2001
  • Published: 09/19/2002
  • Est. Priority Date: 11/21/2000
  • Status: Active Grant
First Claim
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1. A negative-working heat-sensitive material for making a lithographic printing plate by direct-to-plate recording, the material comprising in the order given a lithographic base having a hydrophilic surface, an oleophilic imaging layer and a cross-linked hydrophilic upper layer, characterized in that said oleophilic imaging layer comprises at least one transition metal complex of an organic acid.

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