Patents by Inventor Wim Van Dijk

Wim Van Dijk 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).

  • Metal-tolerant FCC catalyst and process
    Patent number: 5173174
    Abstract: A metals-tolerant FCC catalyst and a process using the catalyst are disclosed. The catalyst matrix comprises bastnaesite and a limited quantity of a large pore boehmite alumina having an average pore diameter greater than 90 Angstroms. The catalyst preferably also contains a molecular sieve component, a siliceous binder and a clay component. The catalyst formulation reduces the harmful effects of accumulated nickel and vanadium on catalyst activity and selectivity. Hydrogen and coke production are reduced.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: December 22, 1992
    Assignee: UOP
    Inventors: Lawrence L. Upson, Pieter J. Van De Gender, Wim Van Dijk