Patents by Inventor Philippe Otten

Philippe Otten 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).

  • Process for the purification of (±)-2-azabicyclo[2.2.1]hept-5-en-3-one
    Patent number: 6211377
    Abstract: A process for the purification of (±)-2-azabicyclo[2.2.1]hept-5-en-3-one wherein the purification is obtained exclusively by means of extraction procedures.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: April 3, 2001
    Assignee: Degussa-Huls AG
    Inventors: Johny de Schrijver, Philippe Otten