US Patent Issued to FMC CORPORATION FMC IP TECHNOLOGY on April 14 for "Composition and method for preparing N-phenylpyrazole-1-carboxamides" (Danish Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,135, issued on April 14, was assigned to FMC CORPORATION FMC IP TECHNOLOGY GMBH (Switzerland).

"Composition and method for preparing N-phenylpyrazole-1-carboxamides" was invented by Kare Sondergaard (Holstebro, Denmark) and Jack K. Vinther (Holstebro, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 pe...