Patents by Inventor Hege Engan

Hege Engan 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).

  • Reduction of sulphur content in FCC-naphtha
    Patent number: 6497811
    Abstract: The present invention comprises a composition for reducing the sulphur content in a hydrocarbon composition, wherein the composition comprises a hydrotalcite material, which has been impregnated with a Lewis acid, and optionally a FCC-catalyst. The hydrotalcite material impregnated with the Lewis acid has been added as a separate component, or incorporated in the matrix of the FCC-catalyst. The Lewis acid is selected from the group comprising elements and compounds of the transition metals, and preferably Zn, Cu, Ni, Co, Fe and Mn, most preferably Zn. Further, the Lewis acid may also be selected from the group comprising elements and compounds of the lanthanides and actinides. The present invention also comprises a method for reducing the sulphur content in a hydrocarbon composition. A method for reducing the sulphur content in a hydrocarbon composition, which is to be cracked, is also described.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: December 24, 2002
    Assignee: Den Norske Stat Oljeselskap A.S.
    Inventors: Trond Myrstad, Bente Boe, Erling Rytter, Hege Engan, Avelino Corma, Fernando Rey