US Patent Issued to BAYER on Dec. 30 for "Herbicidally active 4-cyclopropyl-6-[4-(trifluormethyl)pyrazol-1-yl)pyrimidines" (German Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,445, issued on Dec. 30, was assigned to BAYER AG (Leverkusen, Germany).

"Herbicidally active 4-cyclopropyl-6-[4-(trifluormethyl)pyrazol-1-yl)pyrimidines" was invented by Michael Gerhard Hoffmann (Constance, Germany), Hartmut Ahrens (Langen, Germany), Isolde Haeuser-Hahn (Leverkusen, Germany), Elmar Gatzweiler (Bad Nauheim, Germany), Christopher Hugh Rosinger (Hofheim, Germany), Dieter Feucht (Eschborn, Germany) and Elisabeth Asmus (Hoesbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to 4-cyclopropyl-6-[4-(trifluoromethyl) pyrazol-1-yl]pyrimidines of general formula (I) and to their agrochemically acceptable salts, ...