Patents Represented by Attorney Michael Thomas Murphy

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  • Methionine.sup.5 -enkephalin sulfoxides and sulfones
    Patent number: 4144228
    Abstract: Methionine.sup.5 -enkephalin sulfoxides and sulfones having agonist activity at opiate receptors are disclosed herein. These sulfoxides and sulfones are useful as analgesics, non-addicting narcotic antagonists and anti-diarrheal agents.
    Type: Grant
    Filed: May 7, 1976
    Date of Patent: March 13, 1979
    Assignee: G. D. Searle & Co.
    Inventors: David A. Jones, Jr., James M. Schlatter