Patents by Inventor Xian Xia Du

Xian Xia Du 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).

  • Patent number: 7674925
    Abstract: Methods of producing plant polyols from plant oils include reacting a plant oil with a designed reactant having one or more nucleophilic functional groups and one or more active hydrogen functional groups in the presence of an addition reaction catalyst in a single reaction step. The resultant polyols may be directly reacted with polyisocyanates to produce polyurethanes.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: March 9, 2010
    Assignee: Athletic Polymer Systems, Inc.
    Inventors: Thomas M. Garrett, Xian Xia Du