Patents Assigned to Printex Products Corporation
  • Automatic cleaner for offset printing blanket
    Patent number: 4829897
    Abstract: An improved automatic blanket wash system for offset printing wherein the washing medium is a water-in-oil emulsion containing 5-35 percent by weight water and 65-95 percent by weight of a water insoluble phase that contains certain hydrocarbons in specific proportions and a surfactant having an HLB of 3-11.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: May 16, 1989
    Assignee: Printex Products Corporation
    Inventors: Donald P. Wyman, Grant B. Matta, William A. Beattie