Patents by Inventor Anthony G. Panson

Anthony G. Panson 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).

  • Extraction of fossil fuel with guanadine extracting agent
    Patent number: 4469583
    Abstract: Subdivided coal, oil shale or tar sands is extracted under non-thermally destructive conditions with a solvent liquid containing a compound having the general formula: ##STR1## where R, R.sub.1, and R.sub.2 are each hydrogen atoms, lower alkyl (C.sub.1 -C.sub.4) groups, or phenyl groups; provided that the compound has a decomposition temperature higher than the temperature of the extraction, and the extraction temperature is below the softening or decomposition temperature of the material being extracted.
    Type: Grant
    Filed: June 20, 1983
    Date of Patent: September 4, 1984
    Inventors: George D. Case, Alfred H. Stiller, Paul J. Bekowies, Anthony G. Panson