Patents by Inventor John D. Payzant

John D. Payzant 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).

  • Superacid catalyzed hydrocracking of heavy oils and bitumens
    Patent number: 5290428
    Abstract: A process is provided for hydrocracking a heavy oil bitumen and chemically related feedstock. The process comprises reacting said feedstock with a gaseous superacid in the presence of hydrogen with or without the use of a hydrogen transfer agent to thereby yield lower boiling point distillates.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: March 1, 1994
    Assignee: Alberta Oil Sands Technology and Research Authority
    Inventors: Otto P. Strausz, Thomas W. Mojelsky, John D. Payzant, George A. Olah, Surya G. K. Prakash