Patents by Inventor Xavier Radisson

Xavier Radisson 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: 5304642
    Abstract: This invention relates to a process for preparing synergistic derivatives of formula (I), in which Y is hydrogen or dimethylamino, from pristinamycin I.sub.A or from virginiamycin, via a Mannich base, followed by elimination of the amine introduced.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: April 19, 1994
    Assignee: Rhone Poulenc Sante
    Inventors: Jean-Pierre Bastart, Jean-Marc Paris, Xavier Radisson
  • Patent number: 5272266
    Abstract: This invention relates to vinylsulphonylpristinamycin, its preparation and use as an intermediate.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: December 21, 1993
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventor: Xavier Radisson