Patents by Inventor Edward C. Haun, deceased

Edward C. Haun, deceased 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 procedure for sulfur-sensitive catalysts
    Patent number: 5527750
    Abstract: A method of regenerating a sulfur-sensitive hydrocarbon conversion catalyst by employing sulfur-contaminated heat-transfer equipment of a hydrocarbon conversion process is disclosed. This method is useful for the regeneration of reforming catalysts comprising L-zeolite.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: June 18, 1996
    Assignee: UOP
    Inventors: Edward C. Haun, deceased, Charles T. Ressl