ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,237, issued on Sept. 23, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).

"Pesticidally active heterocyclic derivatives with sulfur containing substituents" was invented by Andrew Edmunds (Stein, Switzerland), Sebastian Rendler (Stein, Switzerland), Michel Muehlebach (Stein, Switzerland), Daniel Emery (Stein, Switzerland), Anke Buchholz (Stein, Switzerland), Vikas Sikervar (Goa, India) and Girish Rawal (Goa, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compounds of formula Iwherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those...