ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,746, issued on Dec. 30, was assigned to Genewal Co. Ltd. (Seongnamj-si, South Korea).
"Freeze-drying mold and method for manufacturing water-soluble polymer ball using same" was invented by Man Geun Jeong (Seongnam-si, South Korea) and Min Gyu Kim (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a freeze-drying mold and a method for manufacturing water-soluble polymer balls using the same, more specifically to a freeze-drying mold that is provided with a first mold having a plurality of first accommodation grooves formed on underside thereof and a plurality of discharge portions formed on top ...