Patents by Inventor James C. Saunders, Jr.

James C. Saunders, Jr. 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).

  • Tar sands recovery process
    Patent number: 4067796
    Abstract: The present invention is an improved process for the recovery of bitumen from tar sand by employing a vessel containing a liquid comprising an organic phase consisting of a hydrocarbon solvent which is immiscible in water and an aqueous phase. The tar sand optionally containing water is introduced into the organic phase and then subsequently passes into the aqueous phase.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: January 10, 1978