Patents by Inventor Marc LaBell

Marc LaBell 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).

  • Heteroaryl and haloaryl quinoline derivatives of cyclopropaneacetic acid as leukotriene antagonists
    Patent number: 5438141
    Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: August 1, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Marc LaBell, Yves LeBlanc, Michel Belley, Erich L. Grimm, Daniel Guay, Yi B. Xiang