Patents by Inventor Robert P. Duttweiler

Robert P. Duttweiler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polymerized dienes prepared by step propagation, condensation type polymerization of acyclic dienes
    Patent number: 5290895
    Abstract: Novel polymerized dienes prepared by the step propagation, condensation type polymerization of acyclic dienes employing Lewis acid-free metal alkylidene complexes as catalysts.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: March 1, 1994
    Assignee: University of Florida
    Inventors: Kenneth B. Wagener, James M. Boncella, Robert P. Duttweiler, Marc A. Hillmyer, Jan G. Nel
  • Method for polymerizing acyclic dienes
    Patent number: 5110885
    Abstract: Novel polymerized dienes prepared by the step propagation, condensation type polymerization of acyclic dienes employing Lewis acid-free metal alkylidene complexes as catalysts.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: May 5, 1992
    Assignee: University of Florida
    Inventors: Kenneth B. Wagener, James M. Boncella, Robert P. Duttweiler, Marc A. Hillmyer, Jan G. Nel