Patents by Inventor Joshua S. Sasine

Joshua S. Sasine 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 Preparation Of Oxymorphone Freebase
    Publication number: 20160340362
    Abstract: The present invention is directed to a process for the preparation oxymorphone freebase, comprising hydrogenation of 14-hydroxymorphinone in DMF, to yield oxymorphone freebase, preferably oxymorphone freebase of improved appearance, purity and/or yield. The present invention is further directed to oxymorphone freebase with improved impurity profile. The present invention is further directed to an HPLC or UPLC system/method for analysis of opioid compounds.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Inventors: Timothy Samuel Bailey, Paul Jonathan Nichols, Joshua S. Sasine, Ulrich Weigl, Aarti L. Joshi