Patents by Inventor Bihn N. Le

Bihn N. Le 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).

  • Liquid hydrocarbon treatment method
    Patent number: 6860999
    Abstract: The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment composition containing water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates and having at least two phases, (i) the first phase containing water, alkali metal alkylphenylate, dissolved alkali metal hydroxide, and dissolved sulfonated cobalt phthalocyanine, and (ii) the second phase containing water and dissolved alkali metal hydroxide; and then (b) separating an upgraded hydrocarbon.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: March 1, 2005
    Assignees: ExxonMobil Research and Engineering Company, Merichem Company
    Inventors: Mark A. Greaney, Bihn N. Le, Daniel P. Leta, John N. Begasse, Charles T. Huang, Verlin Keith Turner