Patents by Inventor Harold Eugene Swift

Harold Eugene Swift 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 of negating the effects of metals poisoning on zeolitic cracking catalysts
    Patent number: 4101417
    Abstract: A method of negating the effects of metals poisoning on zeolite-containing cracking catalysts which comprises compositing tin with such catalysts.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: July 18, 1978
    Assignee: Gulf Research & Development Company
    Inventors: Bruce Richard Mitchell, Harold Eugene Swift