Patents by Inventor Robert Michael DeMarinis

Robert Michael DeMarinis 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
  • Preparation of trifluoromethylthioacetic acid and its esters
    Patent number: 4069243
    Abstract: A new method of preparing trifluoromethylthioacetic acid using a tertiary phosphine in a sulfur extrusion of lower alkyl trifluoromethyldithioacetate with optional is situ alkaline hydrolysis of said acetate using a biphasic hydrolysis system in the presence of a phase transfer catalyst.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: January 17, 1978
    Assignee: SmithKline Corporation
    Inventor: Robert Michael DeMarinis