Patents Represented by Attorney E. A. Conroy, Jr.

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  • 2-(substituted-1-piperazinyl)[1,2,4]triazolo[1,5-a]pyrimidines
    Patent number: 4582833
    Abstract: This disclosure describes novel 2-(4-substituted-1-piperazinyl)[1,2,4]triazolo[1,5-a]pyrimidines useful as hypotensive agents.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: April 15, 1986
    Assignee: American Cyanamid Company
    Inventors: Andrew S. Tomcufcik, Walter E. Meyer, John P. Dusza
  • Isolation of [S-(R*, S*]-1-(3-acetylthio-3-benzoyl-2-methylpropionyl)-L-proline from a diastereomeric mixture
    Patent number: 4439611
    Abstract: This disclosure describes continuous epimerization-crystallization process for the isolation of [S-(R*, S*)]-1-(3-acetylthio-3-benzoyl-2-methylpropionyl)-L-proline from a diasteromeric mixture thereof with [S-(R*, R*)]-1-(3-acetylthio-3-benzoyl-2-methylpropionyl)-L-proline.
    Type: Grant
    Filed: June 28, 1982
    Date of Patent: March 27, 1984
    Assignee: American Cyanamid Company
    Inventors: Sivaraman Raghu, Robert J. Proverb, Steven L. Peake
  • Alkali metal and alkaline earth metal salts of benzoylacetonitriles
    Patent number: 4197312
    Abstract: This disclosure describes new compounds and compositions of matter useful as anti-inflammatory agents and as inhibitors of the progressive joint deterioration characteristic of arthritic disease and the methods of meliorating inflammation and of inhibiting joint deterioration in mammals therewith, the novel active ingredients of said compositions of matter being the pharmacologically acceptable cationic salts of benzoylacetonitrile, o-fluorobenzoylacetonitrile, m-fluorobenzoylacetonitrile, p-fluorobenzoylacetonitrile, or mixtures thereof.
    Type: Grant
    Filed: May 9, 1978
    Date of Patent: April 8, 1980
    Assignee: American Cyanamid Company
    Inventors: Adolph E. Sloboda, John W. Hanifin, Jr.