ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,873, issued on Nov. 4, was assigned to SOILGENIC TECHNOLOGIES LLC (High Point, N.C.).
"Liquid formulations of urease inhibitors for fertilizers" was invented by Gary David McKnight (High Point, N.C.), David Bruce Parker (Canyon, Texas), Yang Zehni (Ningbo, China), Ray Perkins (Bakersville, N.C.) and Wei Xu (Sugarland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved solvent system for the formulation and application of N-alkyl thiophosphoric triamide urease inhibitors. These formulations provide safety and performance benefits relative to existing alternatives and enable storage, transport and subsequent coating or blending with urea ...