Patents by Inventor Hélène Bourdon

Hélène Bourdon 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).

  • Chimeric hydroxyl-phenyl pyruvate dioxygenase, DNA sequence and method for obtaining plants containing such a gene, with herbicide tolerance
    Patent number: 6768044
    Abstract: The invention concerns a nucleic acid encoding a chimeric hydroxyphenyl pyruvate dehydrogenase (HPPD) enzyme formed from a nucleic acid encoding the N-terminal portion of a first plant HPPD in combination with nucleic acid encoding the C-terminal portion of a second plant HPPD, wherein the N-terminal portion and the C-terminal portion are separated by a linker peptide. The nucleic acid can be used to transfom a cell or an organism, such as a plant, to provide tolerance to herbicides. The invention also concerns methods of making and using plants transformed with the nucleic acid.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: July 27, 2004
    Assignee: Bayer CropScience SA
    Inventors: Philippe Boudec, Hélène Bourdon, Florence Dumas, Matthew Rodgers, Alain Sailland
  • Mutated hydroxyphenylpyruvate dioxygenase, DNA sequence and isolation of plants which contain such a gene and which are tolerant to herbicides
    Patent number: 6245968
    Abstract: The present invention relates to a nucleic acid sequence encoding a mutated hydroxyphenylpyruvatedioxygenase (HPPD) which exhibits improved tolerance to HPPD inhibitors, to a chimeric gene which comprises this sequence as the coding sequence, and to its use for isolating or obtaining plants which are resistant to certain herbicides.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: June 12, 2001
    Assignee: Aventis CropScience S.A.
    Inventors: Philippe Boudec, Matthew Rodgers, Florence Dumas, Alain Sailland, Hélène Bourdon