Patents by Inventor David M. Fecteau

David M. Fecteau 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).

  • Process for regenerating catalyst for a hydrocarbon conversion zone
    Patent number: 8231834
    Abstract: In one exemplary embodiment, a unit for regenerating a hydrocarbon conversion catalyst for a hydrocarbon conversion zone can generally include passing the hydrocarbon conversion catalyst through, sequentially, a catalyst-disengaging zone having a first atmosphere, an adsorption zone having a second atmosphere, and a regeneration zone including a combustion zone; introducing an inert gas between the first atmosphere and the second atmosphere; and passing a flue gas from the combustion zone to the adsorption zone.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: July 31, 2012
    Assignee: UOP LLC
    Inventors: David M. Fecteau, Leon Yuan