Patents by Inventor Phillipe Coste

Phillipe Coste 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 alkaline phenylpyrovate
    Patent number: 4997979
    Abstract: A process for the preparation of alkaline phenylpyruvate by carbonylation of benxzyl chloride in the presence of a cobalt catalyst. The alkaline phenylpyruvate is useful as an intermediate in the preparation of phenylalanine.
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: March 5, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventors: Phillipe Coste, Michel Baudoin, Phillippe Laconte, Robert Perron