ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,402, issued on Sept. 8, was assigned to LG Chem Ltd. (Seoul, South Korea).
"Preparation method for superabsorbent polymer" was invented by Tae Young Won (Daejeon, South Korea), Jungmin Sohn (Daejeon, South Korea), Hyemin Lee (Daejeon, South Korea) and Jihye Ryu (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing a superabsorbent polymer and the superabsorbent polymer maintaining excellent basic absorption performances such as centrifuge retention capacity, while exhibiting improved gel strength and absorption rate are provided. The nanocellulose fiber is introduced during the preparation of the superabsorbent p...