Patents by Inventor Gregory C. Wilkening

Gregory C. Wilkening 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).

  • Catalytic cracking
    Patent number: 4310411
    Abstract: In a transfer line catalytic cracking reaction system having a riser-reactor provided with a vertical section and a horizontal section, the improvement for minimizing erosion in the system which comprises cracking with a high velocity of reactant and catalyst in the vertical portion of the riser and a lower velocity in the lateral or horizontal section of the reactor prior to introduction of reactant effluent into catalyst separation zone(s).
    Type: Grant
    Filed: February 5, 1980
    Date of Patent: January 12, 1982
    Assignee: Phillips Petroleum Company
    Inventor: Gregory C. Wilkening