Patents by Inventor David J. Gindelberger

David J. Gindelberger 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).

  • Ruthenium Catalysts for the Production of Hydrocodone, Hydromorphone or a Derivative Thereof
    Publication number: 20100261905
    Abstract: The present disclosure generally relates to catalytic methods for producing opioid derivatives. More particularly, the present disclosure relates to the preparation of hydrocodone, hydromorphone, or a derivative thereof, by means of an isomerization of codeine, morphine, or a derivative thereof, respectively, using a ruthenium catalyst.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 14, 2010
    Applicant: Mallinckrodt Inc.
    Inventor: David J. Gindelberger