Patents by Inventor Keith S. Learn

Keith S. Learn 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).

  • Quinolinyl-chromone derivatives and use for treatment of hypersensitive ailments
    Patent number: 4977162
    Abstract: This invention relates to certain quinolinyl-chromone compounds and their use as valuable pharmaceutical agents, particularly as lipoxygenase inhibitors and/or leukotriene antagonists possessing anti-inflammatory and anti-allergic properties.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: December 11, 1990
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Fu-Chih Huang, Henry F. Campbell, Keith S. Learn, Robert A. Galemmo, Jr.