Patents by Inventor Andre Pilot

Andre Pilot 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).

  • Process for the preparation of L-aspartic acid from ammonium aspartate
    Patent number: 5530160
    Abstract: Process for the preparation of L-aspartic acid by treatment of ammonium aspartate using an alcoholic (preferably methanolic or ethanolic) fumaric acid solution according to an added fumaric acid/ammonium aspartate present molar ratio of the order of 0.05 to 0.8 and preferably of the order of 0.1 to 0.65, the said alcoholic solution containing of the order of 1 to 15% and preferably of 3 to 10% of its weight of fumaric acid.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: June 25, 1996
    Assignee: Rhone-Poulenc Chimie
    Inventors: Olivier Nore, Andre Pilot