Patents by Inventor Robert D. Dillard

Robert D. Dillard 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).

  • Disubstituted tetrazoles and their use as leukotriene antagonists
    Patent number: 4820722
    Abstract: The instant invention provides disubstituted tetrazoles that antagonizes the effect of leukotrienes C.sub.4, D.sub.4 and E.sub.4 in selected tissues. The disubstituted tetrazoles are used in pharmaceutical formulations and methods of treatment of conditions caused by excessive amounts of leukotrienes C.sub.4, D.sub.4 or E.sub.4 or any combination thereof.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: April 11, 1989
    Assignee: Eli Lilly and Company
    Inventors: F. Patrick Carr, Robert D. Dillard, Winston S. Marshall, Doris E. McCullough
  • 1-Substituted-3-amino-6,7-dialkoxy-1H-1,2,4-benzothiadiazine-1-oxides
    Patent number: 4171361
    Abstract: 1-Substituted-3-amino-6,7-dialkoxy-1H-1,2,4-benzothiadiazine-1-oxides, useful as hypotensive agents.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: October 16, 1979
    Assignee: Eli Lilly and Company
    Inventors: Robert D. Dillard, Donald E. Pavey
  • 1,3-Dialkyl-6,7-methoxy-1H-1,2,4-benzothiadiazine-1-oxides
    Patent number: 4100280
    Abstract: 1,3-Dialkyl-6,7-methoxy-1H-1,2,4-benzothiadiazine-1-oxides, useful as hypotensive agents.
    Type: Grant
    Filed: August 8, 1977
    Date of Patent: July 11, 1978
    Assignee: Eli Lilly and Company
    Inventors: Robert D. Dillard, Donald E. Pavey