Patents by Inventor Sean D. W. Greenwood

Sean D. W. Greenwood 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 spirocyclic isoxazoline derivatives
    Patent number: 9593126
    Abstract: The invention recites an improved process for preparing spirocyclic isoxazoline derivatives of Formula (1) wherein “*”, R1a, R1b, and R1c are as described herein.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: March 14, 2017
    Assignee: Zoetis Services LLC
    Inventors: Sean D. W. Greenwood, Timothy L. Stuk
  • SYNTHESIS OF SPIROCYCLIC ISOXAZOLINE DERIVATIVES
    Publication number: 20150291612
    Abstract: The invention recites an improved process for preparing spirocyclic isoxazoline derivatives of Formula (1) wherein “*”, R1a, R1b, and R1c are as described herein.
    Type: Application
    Filed: November 20, 2013
    Publication date: October 15, 2015
    Inventors: Sean D. W. Greenwood, Timothy L. Stuk