Patents by Inventor Alfred A. Hagedorn, III

Alfred A. Hagedorn, III 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).

  • Imidazolylbenzoyl substituted heterocycles
    Patent number: 5189036
    Abstract: Novel imidazolybenzoyl substituted heterocycles and their use as cardiovascular agents most especially as Class III antiarrhythmic agents is described. Pharmaceutical formulations containing such compounds are also discussed.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: February 23, 1993
    Assignee: Schering AG
    Inventors: Yuo-Ling Chou, Paul W. Erhardt, Alfred A. Hagedorn, III, John W. Lampe, Lumma, Jr., William C., Thomas K. Morgan, Jay R. Wiggins
  • Prodrug derivatives of the cardiotonic agent 4-ethyl-1,3-dihydro-5-(4-(2-methyl-1H-imidazol-1-yl)benzoyl)-2H-imidazol -2-one, composition containing them, and method of using them to treat cardiac failure
    Patent number: 4743612
    Abstract: Orally active prodrug derivatives of the cardiotonic agent 4-ethyl-1,3-dihydro-5-[4-(2-methyl-1H-imidazol-1-yl)benzoyl]-2H-imidazol-2 -one are disclosed. Pharmaceutical formulations containing such compounds are also provided.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: May 10, 1988
    Assignee: Berlex Laboratories, Inc.
    Inventors: Paul W. Erhardt, Alfred A. Hagedorn, III
  • Cardiotonic imidazolylphenylpyrrol-2-ones
    Patent number: 4737511
    Abstract: Novel imidazolylphenylpyrrol-2-ones are described as having cardiovascular properties especially as cardiotonic agents in the treatment of congestive heart failure. Pharmaceutical formulations containing such compounds are also described.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: April 12, 1988
    Assignee: Schering A.G.
    Inventors: Paul W. Erhardt, Alfred A. Hagedorn, III, John W. Lampe
  • Process for the preparation of imidazolonecarbonylarylimidazoles
    Patent number: 4709043
    Abstract: Novel imidazolonecarbonylarylimidazoles are described having cardiovascular properties, especially as cardiotonic agents in the treatment of congestive heart failure. Pharmaceutical formulations containing such compounds are also provided. Further, a novel process for the preparation of the compounds and intermediates useful thereto of this invention is disclosed.
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: November 24, 1987
    Assignee: Schering A.G.
    Inventors: Paul W. Erhardt, Alfred A. Hagedorn, III, William C. Lumma, Jr., Ronald A. Wohl
  • Cardiotonic 1,3-dihydro-4-[[(imidazol-1-yl)aryl]carbonyl]imidazol-2-ones
    Patent number: 4556665
    Abstract: Novel imidazolonecarbonylarylimidazoles of the formula: ##STR1## are described having cardiovascular properties, especially as cardiotonic agents in the treatment of congestive heart failure. Pharmaceutical formulations containing such compounds are also provided. Further, a novel process for the preparation of the compounds and intermediates useful thereto of this invention is disclosed.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: December 3, 1985
    Assignee: Schering A.G.
    Inventors: Paul W. Erhardt, Alfred A. Hagedorn, III, William C. Lumma, Jr., Ronald A. Wohl