Patents by Inventor Noel Roberts

Noel Roberts 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).

  • 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
  • Dipeptide derivatives
    Patent number: 4176116
    Abstract: The present disclosure relates to dipeptide derivatives. The novel compounds are useful as elastase inhibitors.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: November 27, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Cedric H. Hassall, William H. Johnson, Noel A. Roberts