ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,484, issued on Oct. 28, was assigned to SILKROAD C&T (Seoul, South Korea).
"Preparation method for admixture for plasterboard, admixture prepared thereby, and composition for forming plasterboard comprising same" was invented by Young Gil Ju (Daejeon, South Korea), Dae Jin Kim (Cheonan-si, South Korea), Min Jae Lee (Asan-si, South Korea), Ju Hwan Kim (Yongin-si, South Korea), Cheol Yong Cha (Hwaseong-si, South Korea) and Kwang Young Park (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing an admixture for a plasterboard is disclosed. An admixture prepared by the method and a composition for forming a plasterb...