Patents by Inventor Julian Eugene Duerr

Julian Eugene Duerr 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).

  • Rigid polyurethane/polyisocyanurate castor oil based foams
    Publication number: 20080161441
    Abstract: Provided by the present invention is a rigid polyurethane/polyisocyanurate foam board product. The board product is comprised of a castor oil based rigid polyurethane/polyisocyanurate foam. Preferably, the board product is based on a polyol mixture of a highly functional castor oil and a polyester and/or polyether polyol.
    Type: Application
    Filed: December 27, 2006
    Publication date: July 3, 2008
    Inventors: Lance Wang, Julian Eugene Duerr