Patents Represented by Attorney, Agent or Law Firm G. Patrick Sage
  • Substituted tetrahydropyridin derivatives, method of preparation and pharmaceutical compositions containing them
    Patent number: 6232319
    Abstract: The invention relates to compounds of general formula (I): in which R, R1, R2, X and Y are as defined in the description, their geometrical and/or optical isomers, and their addition salts with a pharmaceutically-acceptable acid or base, as well as to medicaments containing the same.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: May 15, 2001
    Assignee: Adir et Compagnie
    Inventors: Christian Marazano, Delphine Compere, Bhupesh Chandra Das, Jean Lepagnol
  • Synthesis method for solution with high grade chloramine
    Patent number: 6222071
    Abstract: The present invention relates to a process for the preparation of high-grade chloramine by the action of commercial eau de Javelle of 100 chlorometric degrees on a solution of ammonia in the presence of ammonium chloride. According to this process, the chloramine is obtained having a content greater than or equal to 2 mol L−1, that is to say, greater than or equal to 10.3%. The process can be carried out continuously or discontinuously.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: April 24, 2001
    Assignee: Adir et Compagine
    Inventors: Henri Delalu, Laurent Peyrot, Mazen Elkhatib, Jean-Jacques Counioux, Armand Cohen