Patents by Inventor Donald D. Payan

Donald D. Payan 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).

  • SYNTHESIS OF POLYCYCLIC ALKALOIDS
    Publication number: 20150087633
    Abstract: Disclosed embodiments concern polycyclic alkaloid compounds and methods for their use and synthesis. Particular embodiments concern polycyclic alkaloids having a fused, six-membered ring, while other embodiments concern polycyclic alkaloids having a fused, five-membered ring. Methods for making the polycyclic alkaloids are disclosed, as well as methods for their use as prophylactics or treatments for certain diseases. Also disclosed are pharmaceutical compositions comprising the polycyclic alkaloids and their use.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Dane Goff, Donald D. Payan, Sylvia Braselmann