Patents by Inventor Roger E. Schoonover

Roger E. Schoonover 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).

  • Method for extraction of organosulfur compounds from hydrocarbons using ionic liquids
    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
  • Method for extraction of organosulfur compounds from hydrocarbons using ionic liquids
    Publication number: 20030085156
    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: Application
    Filed: November 6, 2002
    Publication date: May 8, 2003
    Inventor: Roger E. Schoonover