Patents Assigned to Clayton Chemical Company
  • Method of rejuvenating rubber printing blankets
    Patent number: 5326590
    Abstract: A method of rejuvenating and repairing a rubber printing blanket comprising the steps of contacting a rubber sweller solvent such as N-methyl-2-pyrrodidone with a thickening agent such as carboxypolymethylene to form a gelable mixture, and applying the resulting mixture to the rubber printing blanket.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: July 5, 1994
    Assignee: Clayton Chemical Company
    Inventors: Gary Fujii, Lowell W. Huff