ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,127, issued on Nov. 3, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Rainfastness adjuvant formulation containing a sulfopolymer" was invented by James Allen Ponasik (Kingsport, Tenn.), Ana Margarida dos Santos (Aalst, Belgium) and Joseph Alexander DeLoach (Jonesborough, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes a composition including a sulfopolymer, and one or more agrochemicals. The composition exhibits increased rainfastness as compared to the same composition without the sulfopolymer. The present disclosure also describes methods of making and using such emulsion formulations in agriculture...