Patents by Inventor Kenneth Edward Williamson

Kenneth Edward Williamson 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).

  • Asphalt compositions and method for making (LAW617)
    Patent number: 6414056
    Abstract: The present invention relates to novel polymer modified asphalt polyphosphoric and superphosphoric acid treated binder compositions having enhanced high service temperature performance properties and the method of making them and to road paving asphalts containing them.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 2, 2002
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Olga Puzic, Kenneth Edward Williamson