Patents by Inventor C. Oliver Kappe

C. 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).

  • Selective reduction of morphinan alkaloids
    Patent number: 10155771
    Abstract: The present disclosure relates to selective reduction of morphinan alkaloids in a continuous flow system. In particular, the present disclosure relates to selective reduction of thebaine or oripavine using hydrazine or a hydrazine-containing compound in a continuous flow system under elevated temperature and pressure condition to form 8,14-dihydrothebaine or 8,14-dihydrooripavine, respectively.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 18, 2018
    Assignee: Noramco, Inc.
    Inventors: D. Phillip Cox, C. Oliver Kappe, Bartholomaus Pieber
  • SELECTIVE REDUCTION OF MORPHINAN ALKALOIDS
    Publication number: 20170137432
    Abstract: The present disclosure relates to selective reduction of morphinan alkaloids in a continuous flow system. In particular, the present disclosure relates to selective reduction of thebaine or oripavine using hydrazine or a hydrazine-containing compound in a continuous flow system under elevated temperature and pressure condition to form 8,14-dihydrothebaine or 8,14-dihydrooripavine, respectively.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 18, 2017
    Applicant: Noramco Inc.
    Inventors: D. Phillip Cox, C. Oliver Kappe, Bartholomaus Pieber