Patents Assigned to Konica Corporation and Mitsubishi Kasei Corporation
  • Method of manufacturing photosensitive printing plates comprising applying a powdered surface
    Patent number: 5028512
    Abstract: Printing plates having a photosensitive layer coated on a support wherein said photosensitive layer contains a powdered solid adhered to the surface of said plate by means of powdering followed by the application of heat or solvent before exposure. Said powders are capable of being removed from said surface during the developing process.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: July 2, 1991
    Assignee: Konica Corporation and Mitsubishi Kasei Corporation
    Inventors: Toshio Nagatani, Minoru Seino, Toru Okamoto, Chihiro Eguchi