Patents by Inventor Bhupesh Chandra Das

Bhupesh Chandra Das 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: 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