ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,350, issued on June 24, was assigned to AMTE Co. LTD (Yesan-gun, South Korea).

"Copper sulfide nanoparticles having core-shell structure included in coating composition for blocking near-infrared light, and preparation method therefor" was invented by Nam Hoon Kim (Ansan-si, South Korea) and Byung Kwon Jang (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed are copper sulfide nanoparticles having a core-shell structure included in a coating composition for blocking near-infrared light, and a method of manufacturing the same. More particularly, a method of manufacturing copper sulfide nanoparticles having a core-shell stru...