Patents Represented by Attorney E. A. Conroy

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  • Precursors and synthesis of methyl-9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans-prostadienoa tes
    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
  • Method of treating hypertension using substituted imidazo[1,5-d]1,2,4-triazin-1(2H)-ones
    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
  • Substituted quinoxalinediones and their methods of use
    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
  • Novel 1,4-bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof
    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