ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,662, issued on Dec. 9, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Minute cutting apparatus for super absorbent polymer hydrogel using pump" was invented by Heechang Woo (Daejeon, South Korea), Yoon Jae Min (Daejeon, South Korea) and Gicheul Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A minute cutting apparatus for a superabsorbent polymer hydrogel using a pump is disclosed. An embodiment of the present invention provides the minute cutting apparatus, including: a barrel body in which a transfer space through which the hydrogel is transferred is formed; a pumping unit installed in the barrel body to supply a press...