Patents by Inventor Mark A. VanDort

Mark A. VanDort 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).

  • Preparation of (trifluoromethyl)pyridines
    Patent number: 4547577
    Abstract: Preparation of 3-chloro-2-fluoro-5-(trifluoromethyl)pyridine in a liquid phase halogen exchange reaction from 2,3-dichloro-5-(trichloromethyl)pyridine in the absence of a catalyst.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: October 15, 1985
    Assignee: The Dow Chemical Company
    Inventors: Janice E. Gatlin, Mark A. VanDort, Curtis L. Volkmann