Patents by Inventor Randall Keith Johnson

Randall Keith Johnson 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).

  • Substituted indolizino?1,2-b!quinolinones
    Patent number: 5883255
    Abstract: The present invention provides a method of treating viral infections by using antiviral substituted indolizino?1,2-b!quinolinone compounds, antiviral substituted indolizino?1,2-b!quinolinone compounds, and pharmaceutical compositions thereof.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: March 16, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: David Alan Berges, Robert Philip Hertzberg, Randall Keith Johnson, William Dennis Kingsbury
  • Treatment of non-small cell lung carcinoma
    Patent number: 5756512
    Abstract: A method of treating non-small cell lung carcinoma in a human afflicted therewith which comprises administering to such human an effective amount of a compound of the water soluble camptothecin analog class.
    Type: Grant
    Filed: July 16, 1996
    Date of Patent: May 26, 1998
    Assignee: SmithKline Beecham Corporation
    Inventor: Randall Keith Johnson
  • Treatment of ovarian cancer
    Patent number: 5674872
    Abstract: A method of treating ovarian cancer in a human afflicted therewith which comprises administering to such human an effective amount of a compound of the water soluble camptothecin analog class.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: October 7, 1997
    Assignee: SmithKline Beecham Corporation
    Inventor: Randall Keith Johnson