Patents Assigned to University of Lethbridge
  • Catalysts for the polymerization of cyclic esters
    Patent number: 8193112
    Abstract: The present disclosure relates to cationic divalent metal catalysts useful for the polymerization of cyclic esters, methods for their preparation and uses thereof.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: June 5, 2012
    Assignee: University of Lethbridge
    Inventors: Paul G. Hayes, Craig Wheaton