Patents by Inventor Donald Willis Hansen, Jr.

Donald Willis Hansen, Jr. 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).

  • Substituted dibenzoxazepine urea compounds, pharmaceutical compositions and methods of use
    Patent number: 5661146
    Abstract: The present invention provides substituted dibenzoxazepine and dibenzthiazepine compounds of Formula I: ##STR1## which are useful as analgesic agents for the treatment of pain, pharmaceutical compositions comprising a therapeutically-effective amount of a compound of Formula I in combination with a pharmaceutically-acceptable carrier, and a method for eliminating or ameliorating pain in an animal comprising administering a therapeutically-effective amount of a compound of Formula I to the animal.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: August 26, 1997
    Assignee: G.D. Searle & Co.
    Inventors: Nizal Samuel Chandrakumar, Donald Willis Hansen, Jr., Karen Berenice Peterson, Barnett Sylvain Pitzele