Patents by Inventor Cynthia Armdt

Cynthia Armdt 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 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED)PICOLINATES
    Publication number: 20140046070
    Abstract: 4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, reaction with hydrazine, halogenation, hydrolysis and esterification, and transition metal assisted coupling.
    Type: Application
    Filed: October 9, 2013
    Publication date: February 13, 2014
    Applicant: DOW AGROSCIENCES LLC
    Inventors: Cynthia Armdt, James M. Renga, Kim E. Arndt, Gregory T. Whiteker, Yuanming Zhu, Robert D.J. Froese