Patents by Inventor Dwayne A. Goetsch

Dwayne A. Goetsch 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).

  • Conversion of picrate to picric acid in a liquid-liquid two phase system
    Patent number: 5998676
    Abstract: A process for the conversion of a picrate salt, preferably ammonium pricrate, to picric acid by acidifying the picrate salt in a two phase liquid system. One phase is an aqueous phase which contains an acid which is effective for acidifying ammonium picrate to picric acid and the other phase is an organic solvent phase in which the picric acid is soluble.
    Type: Grant
    Filed: September 9, 1998
    Date of Patent: December 7, 1999
    Assignee: Gradient Technology
    Inventors: Kym B. Arcuri, Dwayne A. Goetsch