Patents by Inventor Stove Bonde

Stove Bonde 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 of desulfurization and dearomatization of petroleum liquids by oxidation and solvent extraction
    Publication number: 20020035306
    Abstract: A multi-step process for desulfurizing liquid petroleum fuels that also removes nitrogen-containing compounds and aromatics. The process steps are: thiophene extraction; thiophene oxidation; thiophene-oxide and -dioxide extraction; raffinate solvent recovery and polishing; extract solvent recovery; and recycle-solvent purification. The thiophene oxidation is accomplished with hydrogen peroxide and the extraction solvent is acetic acid in combination with secondary solvents. The operating conditions in the process are relatively mild at near ambient pressure and less than 145 ° C. throughout the process, and the only chemical consumed in the process is hydrogen peroxide. The process design can be modified to accommodate a variety of liquid hydrocarbon feeds.
    Type: Application
    Filed: August 25, 2001
    Publication date: March 21, 2002
    Inventors: Walter Gore, Stove Bonde, Geoffrey E. Dolbear, Ebbe R. Skov