Patents Represented by Attorney Leon S. Bernard

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  • Dipeptide derivatives
    Patent number: 4187216
    Abstract: The present disclosure relates to dipeptide derivatives. These novel compounds are useful as elastase inhibitors.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: February 5, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Cedric H. Hassall, William H. Johnson, Noel A. Roberts