Patents by Inventor Sol J. Daurn

Sol J. Daurn 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).

  • 6-substituted pyrazolo (3,4-d)pyrimidin-4-ones and compositions and methods of use thereof
    Patent number: 5656629
    Abstract: 6-Substituted pyrazolo[3,4 -d]pyrimidin-4-one derivatives, pharmaceutical compositions containing them and methods for effecting c-GMP-phosphodiesterase inhibition and for treating heart failure and/or hypertension.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: August 12, 1997
    Assignee: Sanofi Winthrop, Inc.
    Inventors: Edward R. Bacon, Sol J. Daurn, Baldev Singh