Patents Assigned to Defiance - Azon Corporation
  • Photosensitive diazotype material and method of making the same
    Patent number: 4058399
    Abstract: An erasable diazotype intermediate assembly comprising a translucent paper base, a rubber-like polymeric intervening barrier layer and a sensitizing layer consisting of a water soluble cellulose derivative, a cross linking resin and the diazo sensitizing chemicals.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: November 15, 1977
    Assignee: Defiance - Azon Corporation
    Inventors: Sharon S. McNeil, Carl R. Bloomquist, Robert C. Johnston