Patents Assigned to Printers' Service, Inc.
  • Patent number: 5009716
    Abstract: A blanket and roller wash for removing ink from printing press components. The blanket and roller wash has a very low, substantially zero percent, emmision of volatile organic compounds. The blanket and roller wash is a two-component composition containing a nonionic surfactant and a monobasic fatty acid having 12 to 20 carbon atoms or a three-component composition containing a saturated hydrocarbon oil of low viscosity in addition to the nonionic surfactant and the fatty acid. The invention further relates to methods of removing ink from printing rollers and blankets.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: April 23, 1991
    Assignee: Printers' Service, Inc.
    Inventor: David Gerson