Patents by Inventor David L. Elmendorf

David L. Elmendorf 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).

  • Patent number: 5607857
    Abstract: A process is provided for removing organic sulfur from a sulfur-containing organic carbonaceous fuel substrate such as coal or petroleum products having sulfur-carbon bonds. The process comprises contacting the substrate with a microorganism having all the identifying characteristics of Rhodococcus species ATCC 55309 or ATCC 55310 which cleaves the sulfur-carbon bonds resulting in the removal or the organic sulfur from the substrates.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: March 4, 1997
    Assignee: Exxon Research and Engineering Company
    Inventors: Matthew J. Grossman, Mary K. Lee, James D. Senius, Robert L. Burghoff, David L. Elmendorf