ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,000, issued on May 12, was assigned to ARCHER-DANIELS-MIDLAND COMPANY (Decatur, Ill.).

"Process for sulfonation of 2-aminoethanol hydrogen sulfate ester to produce taurine" was invented by Chi Cheng Ma (Champaign, Ill.), James Brazdil (Leland, N.C.) and Hao Luo (Decatur, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process comprises continuously adding a first stream and a second stream to a sulfonation vessel, wherein the first stream comprises aminoethanol sulfate ester (AES) and the second stream comprises an aqueous solution of sodium sulfite (Na2SO3). The process comprises continuously mixing the AES and the aqueous solution of Na2SO3 i...