Patents by Inventor Marcel Menard

Marcel Menard 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).

  • 3-Hydroxy-5,6-benzomorphinan derivatives
    Patent number: 3931188
    Abstract: Compounds having the formula ##SPC1##In which R is cyclopropyl or cyclobutyl have been designated 3-hydroxy-17-substituted-5,6-benzomorphinans. The compounds possess potent narcotic agonist and/or antagonist activity. In particular, the compounds 3-hydroxy-17-cyclopropylmethyl-5,6-benzomorphinan and 3-hydroxy-17-cyclobutylmethyl-5,6-benzomorphinan have been found to possess both activities. These compounds are prepared by total synthesis and are not derived from opium alkaloids.
    Type: Grant
    Filed: May 6, 1974
    Date of Patent: January 6, 1976
    Assignee: Bristol-Myers Company
    Inventors: James L. Douglas, Jacques Meunier, Marcel Menard