Patents by Inventor Lloyd J. Nordhausen

Lloyd J. Nordhausen 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).

  • Catalyst regeneration
    Patent number: 4026821
    Abstract: A process for reactivating or regenerating catalysts which have become inactivated due to accumulation of carbon deposits or sulfur-containing carbon deposits on the catalyst surface during the course of use in catalytically refining various petroleum oils is described.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: May 31, 1977
    Assignee: Catco Venture
    Inventors: Richard J. Schoofs, Lloyd J. Nordhausen, Lee A. Dugdale