Patents Represented by Attorney E. A. Conroy
  • Patent number: 4762935
    Abstract: This disclosure describes novel compounds which are useful as precursors in the synthesis of 9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans-prostadienoate esters which possess activity as hypotensive agents and/or as vasodilators.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: August 9, 1988
    Assignee: American Cyanamid Company
    Inventors: Allan Wissner, Kenneth E. Green, Philip R. Hamann, Jeremy Levin
  • Patent number: 4743586
    Abstract: This disclosure describes compositions of matter containing certain substituted imidazo[1,5-d]-1,2,4-triazin-1(2H)-ones and the method of treating hypertension therewith.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: May 10, 1988
    Assignee: American Cyanamid Company
    Inventor: Peter S. Chan
  • Patent number: 4742059
    Abstract: This disclosure describes novel 6-(4-substituted-1-piperazinyl)-5,8-quinolinediones, 7-(4-substituted-1-piperazinyl)-5,8-quinolinediones, and 6-(4-substituted-1-piperazinyl)-5,8-quinoxalinediones which possess activity as anti-asthmatic and anti-allergic agents.
    Type: Grant
    Filed: August 27, 1987
    Date of Patent: May 3, 1988
    Assignee: American Cyanamide Company
    Inventors: Jeffrey B. Medwid, Lawrence W. Torley
  • 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
  • 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
  • Patent number: 4410524
    Abstract: This disclosure describes novel 1,4,-bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof, useful as chelating agents and for inhibiting the growth of transplanted mouse tumors. This disclosure also describes compositions of matter useful as inhibitors of transplanted mouse tumor growth and the method of inducing the regression and/or palliation of leukemia and related cancers in mammals therewith.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: October 18, 1983
    Assignee: American Cyanamid Company
    Inventor: Keith C. Murdock
  • 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.