Patents by Inventor Roy T. Knafla

Roy T. Knafla 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).

  • Olefinic 1H-imidazo(4,5-c)quinolin-4-amines
    Patent number: 4929624
    Abstract: Novel 1-substituted 1H-imidazo-[4,5-c]quinolin-4-amines are disclosed. These compounds function as antiviral agents, and they are potential synthetic intermediates in the preparation of known antiviral agents and labeled known antiviral agents. This invention also provides intermediates for preparing such compounds, pharmaceutical compositions containing such compounds, and pharmacological methods of using such compounds.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: May 29, 1990
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John F. Gerster, Roy T. Knafla