Patents by Inventor L. C. Gutberlet

L. C. Gutberlet 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).

  • Hydrocracking process using disparate catalyst particle sizes
    Patent number: 4834865
    Abstract: Disclosed is a hydrocracking process employing a plurality of reaction zones wherein at least one reaction zone contains a small nominal size hydrocracking catalyst (10 to 16 U.S. Sieve mesh size) and wherein the catalyst situated upstream of the small nominal size hydrocracking has a particle size greater than the small nominal size hydrocracking catalyst.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: May 30, 1989
    Assignee: Amoco Corporation
    Inventors: Simon G. Kukes, Jeffrey T. Miller, L. C. Gutberlet, Jeffrey C. Kelterborn