Patents by Inventor Douglas Hissong

Douglas Hissong 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).

  • Inhibitor enhanced thermal upgrading of heavy oils
    Publication number: 20060021907
    Abstract: A method for upgrading heavy oils by contacting the heavy oil with an inhibitor additive and then thermally treating the inhibitor additized heavy oil. The invention also relates to the upgraded product from the inhibitor enhanced thermal treatment process.
    Type: Application
    Filed: May 12, 2005
    Publication date: February 2, 2006
    Inventors: Ramesh Varadaraj, Christopher Eppig, Douglas Hissong, Robert Welch