Patents by Inventor Christopher Oliver Kappe

Christopher Oliver Kappe 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).

  • Publication number: 20190127389
    Abstract: The present invention relates to processes useful in the preparation of morphine analogs and derivatives, such as naltrexone, naloxone and nalbuphine and intermediates in the synthesis of said morphine analogs and derivatives. In a particular example, the process begins with for example oxymorphone, oxycodone, 14-hydroxycodeinone or 14-hydroxymorphinone, and includes the formation of an oxazolidine-containing intermediate using catalytic oxidation.
    Type: Application
    Filed: April 21, 2017
    Publication date: May 2, 2019
    Applicant: Noramco, Inc.
    Inventors: Christopher Oliver Kappe, Bernhard Gutmann, Ulrich Weigl, Patrick Egli, Douglas Phillip Cox, David Cantillo