Patents by Inventor Roger L. Koch

Roger L. Koch 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 for treating contaminated wastewater
    Patent number: 4402836
    Abstract: A method for treating hydrazine-fuel contaminated wastewater in which hydrazine, monomethyl hydrazine, unsymmetrical dimethyl hydrazine and dimethylnitrosamine pollutants are effectively decomposed at a controlled pH of about 5 by an ultraviolet induced chlorination treatment of the wastewater.
    Type: Grant
    Filed: December 1, 1982
    Date of Patent: September 6, 1983
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Edward G. Fochtman, Roger L. Koch, Forrest S. Forbes