Patents by Inventor William G. McKnight

William G. McKnight 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).

  • Hydrocarbon catalytic cracking utilizing a precoked catalyst
    Patent number: 5158670
    Abstract: A catalytic cracking process is provided in which a zeolitic cracking catalyst having the structure of faujasite is first regenerated, then coked at a high catalyst to hydrocarbon weight ratio, and, subsequently utilized to crack a hydrocarbon feed boiling from about 430.degree.F. to 1050.degree. F. at a lower catalyst to hydrocarbon feed ratio.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: October 27, 1992
    Assignee: Exxon Research and Engineering Company
    Inventors: Ian A. Cody, Gordon F. Stuntz, William G. McKnight