ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,224, issued on April 7, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Method for producing acrylic acid" was invented by Mi Kyung Kim (Daejeon, South Korea), Hyebin Kim (Daejeon, South Korea), Jaeik Lee (Daejeon, South Korea) and Eunkyo Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing acrylic acid, the method including: preparing a reaction product containing acrylic acid by supplying lactic acid to a reactor and performing a dehydration reaction; supplying a reactor discharge stream containing the reaction product to a cooling tower and condensing the result to transfer a lower discha...