Patents by Inventor Stephen R. Jardot

Stephen R. Jardot 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).

  • Deashing process for polyolefins
    Patent number: 5426175
    Abstract: Dicarbonyl compounds and alkylene oxides are used to deactivate a transition metal/organometal catalyst in polymerization of at least one monomer to form a 1-olefin polymer. The polymer is deashed with a lower alcohol optionally followed by a wash with the starting monomer or n-heptane.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: June 20, 1995
    Assignee: Phillips Petroleum Company
    Inventors: Dirk M. Sutherlin, Stephen R. Jardot