Patents by Inventor Christopher W. Sparling

Christopher W. Sparling 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).

  • Methods for removing sulfur-containing compounds
    Patent number: 7662215
    Abstract: A method for removing sulfur-containing compounds is provided. In one embodiment, the method includes selectively separating a feed stream (118) comprising carbon dioxide and one or more sulfur-containing compounds, including hydrogen sulfide, at conditions sufficient to produce a first stream (122) comprising carbon dioxide and hydrogen sulfide and a second stream (124) comprising carbon dioxide and hydrogen sulfide. A molar ratio of carbon dioxide to hydrogen sulfide in the first stream is greater than a molar ratio of carbon dioxide to hydrogen sulfide in the second stream, and a molar ratio of hydrogen sulfide in the first stream to hydrogen sulfide in the second stream is about 0.005 or more.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: February 16, 2010
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Christopher W. Sparling, P. Scott Northrop, Johnny E. Johnson, Jagannathan N. Iyengar, Barry M. Friedman
  • Methods for Removing Sulfur-Containing Compounds
    Publication number: 20080107581
    Abstract: A method for removing sulfur-containing compounds is provided. In one embodiment, the method includes selectively separating a feed stream (118) comprising carbon dioxide and one or more sulfur-containing compounds, including hydrogen sulfide, at conditions sufficient to produce a first stream (122) comprising carbon dioxide and hydrogen sulfide and a second stream (124) comprising carbon dioxide and hydrogen sulfide. A molar ratio of carbon dioxide to hydrogen sulfide in the first stream is greater than a molar ratio of carbon dioxide to hydrogen sulfide in the second stream, and a molar ratio of hydrogen sulfide in the first stream to hydrogen sulfide in the second stream is about 0.005 or more.
    Type: Application
    Filed: June 20, 2005
    Publication date: May 8, 2008
    Applicant: EXXONMOBIL UPSTREAM RESEARCH COMPANY
    Inventors: Christopher W. Sparling, P. Scott Northrop, Johnny E. Johnson, Jagannathan N. Iyengar, Barry M. Friedman