ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,331, issued on June 24, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Method for preparing superabsorbent polymer" was invented by Se Yeol Park (Daejeon, South Korea), Gicheul Kim (Daejeon, South Korea), Yun Kyung Do (Daejeon, South Korea) and Sangwon Han (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a method for preparing a superabsorbent polymer, more specifically to a method for preparing a superabsorbent polymer that uses stearic acid or salts thereof in the process of reassembling fine powders, thereby improving processability in the preparation process of the superabsorbent polymer, and re...