Patents by Inventor Pietro Bollingen

Pietro Bollingen 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).

  • Patent number: 4259523
    Abstract: This invention provides new mono-deuterated prostaglandins having prolonged uterotonic activity.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: March 31, 1981
    Assignee: Sandoz Ltd.
    Inventors: Pietro Bollingen, Manfred Krieger