Patents by Inventor Stephane Dupuis

Stephane Dupuis 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).

  • PLANT EXTRACTS AND USES THEREOF IN FILTER SYSTEMS
    Publication number: 20090126747
    Abstract: The present invention relates to compositions and methods for reducing the concentration of noxious substances in gases and smoke. Filters comprising plant extracts, such as parenchyma tissue extract and mesophyll cell extract, are also provided, as well as methods for making same.
    Type: Application
    Filed: March 27, 2007
    Publication date: May 21, 2009
    Inventors: Andre L'Heureux, Stephane Dupuis, Marc Purcell