ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,203, issued on May 5, was assigned to FMC Corp. (Philadelphia).

"Use of 3-isoxazolidinones compounds as selective herbicides" was invented by James Walter (Furlong, Pa.), Paul Nicholson (Ewing, N.J.), Alison Burnett (Philadelphia), James Lappin (Randolph, N.J.), Gurinderbir S. Chahal (Plymouth, Minn.), Sandra L. Shinn (Columbus, N.J.) and Frank J. D'amico Jr. (Robbinsville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Herbicidal compositions are described containing either 2-(2,4-dichlorophenyl)methyl-4,4-dimethyl-3-isoxazolidinone (2,4-DC) or 2-(2,5-dichlorophenyl)methyl-4,4-dimethyl-3-isoxazolidinone (2,5-DC). Compositions containing 2,4-DC o...