Patents by Inventor William F. Krudewig

William F. Krudewig 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).

  • Combination process for upgrading synthol naphtha fractions
    Patent number: 4111792
    Abstract: Fischer-Tropsch synthol naptha is upgraded to high octane gasoline with minimum yield loss in a multistep process comprising fractionating the synthol naptha to give a C.sub.5 + C.sub.6 fraction and C.sub.7.sup.+ fraction, processing the C.sub.5 + C.sub.6 fraction over a ZSM-5 catalyst under dense phase conditions, pretreating and reforming the C.sub.7.sup.+ fraction under conventional conditions, and blending the C.sub.5.sup.+ products from both the C.sub.5 + C.sub.6 and C.sub.7.sup.+ processing steps.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: September 5, 1978
    Assignee: Mobil Oil Corporation
    Inventors: Philip D. Caesar, William E. Garwood, William F. Krudewig, John J. Wise