Patents Assigned to Sonofi
  • Pharmaceutical compositions having a peripheral antagonistic action with respect to opiates
    Patent number: 4489079
    Abstract: The present invention relates to a pharmaceutical composition having a peripheral antagonistic action with respect to opiates containing, as active ingredient, a haloallylate of levallorphan of formula: ##STR1## where X is chlorine, bromine or iodine, mixed with a pharmaceutical excipient.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: December 18, 1984
    Assignee: Sonofi
    Inventors: Antonina Giudice, Claude Moulineau, Luciano Manara, Paolo Carminati