Patents by Inventor Anna B. Gorshteyn

Anna B. Gorshteyn 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).

  • Patent number: 6676829
    Abstract: A method is provided for removing sulfur from an effluent produced by hydrotreating a hydrocarbon feed, said effluent having a heavy fraction containing polyaromatic sulfur compounds and a lighter fraction, said method comprising contacting the effluent with a noble metal containing hydrodearomatization catalyst on a support under super-atmospheric hydrogen pressure and reaction conditions sufficient to hydrogenate at least one ring of said polyaromatic sulfur compounds and thereby produce a product with a reduced sulfur content.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: January 13, 2004
    Assignee: Mobil Oil Corporation
    Inventors: Philip J. Angevine, Anna B. Gorshteyn, Larry A. Green, Yuk Mui Louie, David A. Pappal, Peter J. Owens, Richard J. Quann, Jolie A. Rhinehart