Patents Represented by Attorney Johnathan N. Provoost

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  • Pillared clay catalysts for hydroconversion
    Patent number: 6077419
    Abstract: Pillared clays composited with Group VIII metals or Group VI metals may be used for the hydroconversion with excellent activity maintenance, of Fischer Tropsch waxes, boiling above about 700.degree. F.
    Type: Grant
    Filed: September 6, 1997
    Date of Patent: June 20, 2000
    Assignee: Exxon Research and Engineering Company
    Inventors: Robert J. Wittenbrink, Jack W. Johnson