Patents Represented by Attorney Carole A. Mickelson
  • Patent number: 4954245
    Abstract: This invention comprises a reforming catalyst and process with an unsulfided catalyst comprising Zeolite L, in which the cationic sites have been exchanged to contain potassium or barium or both; a Group VIII noble metal and rhenium, where the ratio of noble metal to rhenium is from about 0.1:1 to about 10:0. This catalyst gives improved selectivity toward aromatics formation and has improved sulfur tolerance compared to other L zeolite reforming catalysts.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: September 4, 1990
    Assignee: Amoco Corporation
    Inventors: Jeffrey T. Miller, Victor K. Shum
  • Patent number: 4620922
    Abstract: There are disclosed a catalyst and a process for the hydrodenitrogenation of a hydrocarbon stream containing a substantial amount of nitrogen compounds, such as whole shale oil.The catalyst comprises a hydrogenation component comprising chromium, molybdenum, and at least one Group VIII metal deposed upon a porous alumina-silica support, the silica of said support being present in an amount within the range of about 10 wt % to about 50 wt %, based upon the weight of said support.The process comprises contacting the hydrocarbon stream under hydrodenitrogenation conditions and in the presence of hydrogen with the aforesaid catalyst.
    Type: Grant
    Filed: January 14, 1986
    Date of Patent: November 4, 1986
    Assignee: Standard Oil Company (Indiana)
    Inventors: A. Martin Tait, Thomas D. Nevitt, Albert L. Hensley, Jr.