US Patent Issued to FMC on July 28 for "Substituted pyridazinone herbicides" (Delaware Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,238, issued on July 28, was assigned to FMC Corp. (Philadelphia).

"Substituted pyridazinone herbicides" was invented by Stephen Frederick Mccann (Newark, Del.), Thomas Paul Selby (Hockessin, Del.), Thomas Martin Stevenson (Newark, Del.) and Alison Mary Levens (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, agricultural compositions containing them and their use as herbicides wherein R1, R2, R3, R4, R14, and X are as defined in the disclosure, A is selected from and R12, R13, n, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, Y and Y1 are as...