Patents by Inventor William M. Tekatch

William M. Tekatch 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).

  • Decomposition of ammonium thiocyanate
    Patent number: 4832930
    Abstract: A process for decomposing ammonium thiocyanate and equivalent compounds comprising mixing the compounds with molten ammonium sulfate at atmospheric pressure and about 310.degree. C. The compounds decompose giving off carbon dioxide, sulfur dioxide, ammonia and sulfur and leave a residue of ammonia salts but no organic materials.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: May 23, 1989
    Inventors: William M. Tekatch, Karol J. Balaz
  • Removal of nitrogen from iron
    Patent number: 4830666
    Abstract: A method of reducing the nitrogen content in iron and iron alloys comprises introducing hydrogen into the melt in the form of a gas or hydrogen compound in sufficient quantity and for a sufficient time to reduce the nitrogen content and subsequently treating the melt to reduce the hydrogen content. The hydrogen may be mixed with an inert gas to minimize the risk of explosion.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: May 16, 1989
    Inventors: William M. Tekatch, Karol J. Balaz