Patents by Inventor Leslie L. Vanderkolk

Leslie L. Vanderkolk 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).

  • Stepwise Process for the Production of Alkaloid Salts
    Publication number: 20130035488
    Abstract: The present invention provides to an improved process for preparing alkaloid salts. In particular, the process comprises a stepwise addition of an acid to an alkaloid chosen from hydrocodone, codeine, and dihydrocodeine to form a flowable mixture of the alkaloid salt.
    Type: Application
    Filed: August 1, 2012
    Publication date: February 7, 2013
    Applicant: Mallinckrodt LLC
    Inventors: Bradley R. Jones, Joseph P. Haar, JR., Kevin R. Roesch, Leslie L. Vanderkolk