Patents by Inventor Byron V. Molstedt

Byron V. Molstedt 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).

  • Method for the recovery of a tungsten-containing catalyst from coke containing nickel and vanadium
    Patent number: 4501820
    Abstract: A tungsten-containing catalyst associated with coke containing vanadium and nickel is recovered by a method which includes steam gasification, low temperature burning to remove at least a portion of the coke and selective extraction of the nickel and vanadium.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: February 26, 1985
    Assignee: Exxon Research & Engineering Co.
    Inventors: David E. Allan, Byron V. Molstedt, Raam R. Mohan
  • Elutriation in a fluid coking process
    Patent number: 4055484
    Abstract: In a fluid coking process, a gas containing coke particles is elutriated in a riser portion of a vessel to remove selectively the larger coke particles. The elutriated gas flows into a bed of solids positioned in the upper portion of the vessel.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: October 25, 1977
    Assignee: Exxon Research & Engineering Co.
    Inventors: Don E. Blaser, Byron V. Molstedt