Patents Assigned to Extractica, LLC.
  • Patent number: 7001504
    Abstract: A process for the removal of organosulfur compounds from hydrocarbon materials is disclosed. The process includes contacting an ionic liquid with a hydrocarbon material to extract sulfur-containing compounds into the ionic liquid. The sulfur-containing compounds can be partially oxidized to sulfoxides and/or sulfones prior to or during the extraction step.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: February 21, 2006
    Assignee: Extractica, LLC.
    Inventor: Roger E. Schoonover