Patents by Inventor Carol P. Fitzpatrick

Carol P. Fitzpatrick 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).

  • Mesoporous FCC catalyst formulated with gibbsite
    Patent number: 5961817
    Abstract: A FCC catalyst having improved coke selectivity and greater catalyst strength, and a FCC process for converting hydrocarbon feedstocks to lower boiling products. The catalyst comprises a crystalline aluminosilicate zeolite, gibbsite, and a silica matrix prepared from at least one of a silica sol made by an ion-exchange process and an acidic silica sol prepared by mixing sodium silicate, an acid and an aluminum salt of an acid.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: October 5, 1999
    Assignee: Exxon Research and Engineering Company
    Inventors: William A. Wachter, Stuart L. Soled, Nikos J. Maris, Mark P. Lapinski, Carol P. Fitzpatrick