Patents by Inventor Rene Depommier

Rene Depommier 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).

  • Process for lowering nitrogen oxides in effluent gases
    Patent number: 3991167
    Abstract: A process for reducing the level of nitrogen oxide contaminants in an industrial effluent gas comprises (a) oxidizing said gas to convert the contaminants substantially to a mixture of N.sub.2 O.sub.3 and NO.sub.2 and (b) passing the oxidized gas through an aqueous medium containing an amount of hydrogen peroxide maintained at a level just sufficient to oxidize the N.sub.2 O.sub.3 and NO.sub.2 to HNO.sub.3.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: November 9, 1976
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Rene Depommier, Edouard Martin