ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,738, issued on Feb. 10, was assigned to BAYER AG (Germany).

"3-(pyridazin-4-yl)-5,6-dihydro-4H-1,2,4-oxadiazine derivatives as fungicides for crop protection" was invented by Julie Geist (Lyons, France), Cyril Montagne (Lyons, France), Lionel Nicolas (Lyons, France), Tomoki Tsuchiya (Lyons, France), Vincent Thomas (Lyons, France) and Dominique Loque (Satigny, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to oxadiazinylpyridazine compounds and the uses thereof for controlling phytopathogenic microorganisms such as phytopathogenic fungi. It also relates to processes and intermediates for preparing these compo...