Patents by Inventor Marie-Claude Bontoux

Marie-Claude Bontoux 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).

  • Enzymatic method for preparing synthesis intermediates
    Patent number: 6551816
    Abstract: The invention concerns a method for preparing &agr;-phenylalanine ester with substantially enantiomeric purity of formulae (I) and (II) wherein Alk represents a linear or branched C1-C6 alkyl radical, characterized in that it consists in contacting a mixture of &agr;-phenylalanine ester enantiomers with a lipase, a protease or an esterase.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: April 22, 2003
    Assignee: Rhone-Poulenc Agro
    Inventors: Marie-Claude Bontoux, Olivier Favre-Bulle