ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,156, issued on June 17, was assigned to Monsanto Technology LLC (St. Louis).

"Herbicidal compositions including drift retardant agents and methods of making the same" was invented by Jingsi Gao (Saint Louis, Mo.), Alison Macinnes (Wildwood, Mo.) and David A. Morgenstern (Creve Coeur, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Herbicidal compositions for reducing off-site movement or drift of herbicides are described. The herbicidal compositions can include a drift retardant agent (DRA) along with at least one auxin herbicide and an emulsifying agent, such as an alkylpolysaccharide, a phosphate ester, an alkoxylated castor oil, or a combinati...