Patents by Inventor Claude H. Aubin Le Drian

Claude H. Aubin Le Drian 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).

  • Patent number: 4782169
    Abstract: Compounds of the Formula I, II, III, VI and VII ##STR1## wherein the symbols have defined meanings are herbicides, plant growth regulators or intermediates thereof.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: November 1, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Samuel B. Soloway, Pierre Vogel, Claude H. Aubin Le Drian, James E. Powell