Patents by Inventor Mark A. Calcagno

Mark A. Calcagno 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).

  • 4-oxocyclic ureas useful as antiarrhythmic and antifibrillatory agents
    Patent number: 5462940
    Abstract: The 4-oxocyclic ureas and the pharmaceutically acceptable salts and esters thereof, of the present invention are useful as antiarrhythmic and antifibrillatory agents and have the following general structure: ##STR1## wherein X, Y, A, L, R, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are defined as in the specification.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: October 31, 1995
    Assignee: Norwich Eaton Pharmaceuticals, Inc.
    Inventors: Chia-Nien Yu, Stanford S. Pelosi, Jr., Mark A. Calcagno