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:
Apr. 14, 2026
Filed:
Jul. 22, 2021
Applicants:
Fmc Corporation, Philadelphia, PA (US);
Fmc Agro Singapore Pte. Ltd., Singapore, SG;
Inventors:
Kåre Søndergaard, Holstebro, DK;
Jack K. Vinther, Holstebro, DK;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/04 (2006.01); A01N 25/02 (2006.01); A01N 43/56 (2006.01);
U.S. Cl.
CPC ...
A01N 43/56 (2013.01); A01N 25/02 (2013.01); C07D 401/04 (2013.01);
Abstract
An improved method is disclosed for preparing an organic pesticide of Formula 4-A from (1) a composition comprising: (a) a crystalline organic pesticide; (b and c) compounds of Formulae 1 and 2; (d) an amine base and (e) an aprotic solvent; (2) reacting with a sulfonyl chloride of Formula 3; and (3) allowing the mixture to proceed to an organic pesticide of Formula 4-A. wherein