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:
May. 29, 2018
Filed:
Aug. 23, 2017
Applicant:
Dow Agrosciences Llc, Indianapolis, IN (US);
Inventors:
James M. Renga, Coeur d'Alene, ID (US);
Gregory T. Whiteker, Carmel, IN (US);
Peter Lee Johnson, Indianapolis, IN (US);
Christopher Galliford, Lafayette, IN (US);
Assignee:
Dow AgroSciences LLC, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/803 (2006.01); C07D 213/79 (2006.01); C07D 213/72 (2006.01); C07D 213/73 (2006.01); C07C 251/12 (2006.01); C07D 213/74 (2006.01);
U.S. Cl.
CPC ...
C07D 213/803 (2013.01); C07C 251/12 (2013.01); C07D 213/72 (2013.01); C07D 213/73 (2013.01); C07D 213/74 (2013.01); C07D 213/79 (2013.01);
Abstract
4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.