Patents Examined by Maria S. Tungel
  • Modification of polymers by treatment with olefins
    Patent number: 3995095
    Abstract: Polymers containing internal unsaturation are modified by treatment with a lower molecular weight olefin in the presence of an olefin disproportionation catalyst.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: November 30, 1976
    Assignee: Phillips Petroleum Company
    Inventor: James N. Short