Patents Assigned to Agfa-Gervert
  • Dummy plate for offset printing
    Patent number: 5908706
    Abstract: A dummy plate for offset printing comprising essentially a mechanically and/or electrochemically roughened, anodically oxidized and hydrophilized aluminium support in the form of a plate, sheet or band and a non light-sensitive, water-soluble layer coated thereon, and characterized in that the layer contains at least one organic polymer with a water-solubility of at least 2 g/L at room temperature and at least one inorganic compound reacting as an acid.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: June 1, 1999
    Assignee: Agfa-Gervert
    Inventors: Peter Lehmann, Klaus Joerg