Patents by Inventor André Charette

André Charette 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).

  • Phosphonium salts derivatives
    Patent number: 7880037
    Abstract: There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA): wherein A, Z, R2, X?, and L2 represent various different possibilities.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: February 1, 2011
    Assignee: Valorisation-Recherche, Limited Partnership
    Inventors: André Charette, Jean-Christophe Poupon, Alessandro Boezio