Patents by Inventor William Henri Barriere, legal representative

William Henri Barriere, legal representative 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 preparing derivatives of 3-hydroxypicolinic acid
    Patent number: 7560565
    Abstract: The invention concerns a method for preparing compounds of general formula (I) wherein: n, Q1, Q2, X1, X2, Y and Z are as defined in the description.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: July 14, 2009
    Assignees: Bayer Cropscience SA, Aventis Pharma SA
    Inventors: Eric Bacque, Jean-Pierre Vors, Francisco Nieto-Roman, Alain Villier, William Henri Barriere, legal representative, Nathalie Hélène Barriere, legal representative, Jean-Claude Barriere