Patents by Inventor Robert Phillip Duttweiler

Robert Phillip 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).

  • Terpolymers
    Patent number: 6509431
    Abstract: The invention relates to alteration of a linear low density polyethylene which is ordinarily free of long chain branching to introduce long chain branching into the polymer.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: January 21, 2003
    Assignee: ExxonMobil Oil Corporation
    Inventors: Robert Phillip Duttweiler, Michael Joseph Krause, Frederick Yip-Kwai Lo, Shih-May Christine Ong, Pradeep Pandurang Shirodkar