Patents Assigned to Presstak, Inc.
  • Patent number: 6085656
    Abstract: The ability to clean ablation-type lithographic printing plates is enhanced by the formation of debris chemically compatible with a desired cleaning fluid. The debris may originate in the ablation layer of the printing member, or in a separate insulating layer disposed above the ablation layer.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: July 11, 2000
    Assignee: Presstak, Inc.
    Inventor: Thomas E. Lewis