Patents by Inventor John G. Sotter

John G. Sotter 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: 4208386
    Abstract: Method for reducing NO.sub.x in combustion effluents comprising introducing urea at elevated temperatures in the presence of oxygen, either as a solid or solution in amounts sufficient to reduce the NO.sub.x concentration. Conveniently, the urea may be introduced as a solid powder or as a solution in a hydroxylic solvent, at temperatures in excess of 1300.degree. F. and in the presence of at least 0.1 volume percent oxygen.This invention was made under contract with or supported by the Electric Power Research Institute.
    Type: Grant
    Filed: March 3, 1976
    Date of Patent: June 17, 1980
    Assignee: Electric Power Research Institute, Inc.
    Inventors: John K. Arand, Lawrence J. Muzio, John G. Sotter