ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,689, issued on March 18, was assigned to Korea Advanced Institute of Science and Technology (Daejeon, South Korea).

"Gold nanoparticle superlattice embedded in porous silica and method for manufacturing same" was invented by Sung Min Choi (Daejeon, South Korea) and Shin Hyun Kang (Sejong, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a catalyst composition comprising a gold nanoparticle superlattice embedded in hierarchical porous silica and a method for manufacturing the same. The catalyst composition comprising a gold nanoparticle superlattice embedded in hierarchical porous silica according to the pr...