Patents by Inventor Richard A. Dage

Richard A. Dage 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).

  • Cardiotonic 5-benzoyl-1,2-dihydro-2-oxo-3-pyridinecarboxylates
    Patent number: 4769380
    Abstract: Novel 3-carboxy- and 3-carbalkoxy-5-benzoyl-2(1H)-pyridinones as well as the pharmaeutically acceptable salts thereof are cardiotonic agents useful in the treatment of heart failure.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: September 6, 1988
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Winton D. Jones, Jr., Richard A. Dage, Richard A. Schnettler