Patents by Inventor Paul L. Tiernan

Paul L. Tiernan 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).

  • 2,7-Bis-basic ethers of 9-phenanthrol and 9-loweralkoxy phenanthrol
    Patent number: 4169897
    Abstract: Novel bis-basic ethers of 9-substituted phenanthrene and related 10-oxa and 10-aza derivatives, their method of preparation and their use as pharmaceutical agents for the prevention and inhibition of viral infections are disclosed.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: October 2, 1979
    Assignee: Richardson-Merrell Inc.
    Inventors: Donald R. Meyer, Arthur D. Sill, Paul L. Tiernan