Patents by Inventor Francis Richard Pfeiffer

Francis Richard Pfeiffer 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).

  • 6,9-disubstituted benzazepines having .alpha.-adrenoceptor blocking activity
    Patent number: 5639748
    Abstract: Alpha-adrenergic receptor antagonists having the formula: ##STR1## which are useful to produce .alpha.-adrenoceptor antagonism, pharmaceutical compositions including these antagonists, and methods of using these antagonists to produce .alpha.-adrenoceptor antagonism in mammals.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: June 17, 1997
    Assignee: SmithKline Beecham Corporation
    Inventors: Robert Michael DeMarinis, Francis Richard Pfeiffer