The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2015
Filed:
Oct. 09, 2013
Gregory T. Whiteker, Carmel, IN (US);
James M. Renga, Indianapolis, IN (US);
Yuanming Zhu, Carmel, IN (US);
Christian T. Lowe, Westfield, IN (US);
Thomas L. Siddall, Zionsville, IN (US);
David E. Podhorez, Midland, MI (US);
Gary Roth, Midland, MI (US);
Scott P. West, Midland, MI (US);
Gregory T. Whiteker, Carmel, IN (US);
Kim E. Arndt, Carmel, IN (US);
James M. Renga, Indianapolis, IN (US);
Yuanming Zhu, Carmel, IN (US);
Christian T. Lowe, Westfield, IN (US);
Thomas L. Siddall, Zionsville, IN (US);
David E. Podhorez, Midland, MI (US);
Gary Roth, Midland, MI (US);
Scott P. West, Midland, MI (US);
Dow AgroSciences, LLC., Indianapolis, IN (US);
Abstract
4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinates by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation and transition metal assisted coupling.