Patents by Inventor John H. Yeigh, Jr.

John H. Yeigh, Jr. 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).

  • Patent number: 4370222
    Abstract: In a fluid catalytic cracking process, the regeneration temperature can be eliminated as an operating constraint, catalyst losses can be held constant or reduced, carbon on regenerated catalyst can be reduced and the coke burning capacity of the regenerator can be increased by the combination of cooling the hot regenerated catalyst and increasing the oxygen content of the inlet regeneration air.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: January 25, 1983
    Assignee: Mobil Oil Corporation
    Inventors: Stephen J. McGovern, John H. Yeigh, Jr.