ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,957, issued on Oct. 28, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Preparation method of super absorbent polymer" was invented by Jin Seok Seo (Daejeon, South Korea), Jun Kyu Kim (Daejeon, South Korea) and Dong Hyun Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a preparation method of a super absorbent polymer, and there is provided a preparation method of a super absorbent polymer capable of achieving anti-caking while maintaining excellent absorption-related physical properties of super absorbent polymer particles by performing surface cross-linking at a relatively lower tempera...