Patents by Inventor Jean-Claude Drouet

Jean-Claude Drouet 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: 4154821
    Abstract: Novel water-soluble glycoproteins isolated from Hafnia strain having remarkable anti-inflammatory and immunostimulating activity with very good tolerance and their preparation.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: May 15, 1979
    Assignee: Roussel Uclaf
    Inventors: Jean-Claude Drouet, Marie-Odile Martin, Dominique Biard, Rene Zalisz