ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,597, issued on March 17, was assigned to KT&G Corp. (Daejeon, South Korea).

"Nicotine sheet and aerosol-generating article including the same" was invented by Kyung Bin Jung (Daejeon, South Korea), Ick Joong Kim (Daejeon, South Korea), Geon Chang Lee (Daejeon, South Korea), Eun Mi Jeoung (Daejeon, South Korea) and Min Hee Hwang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nicotine sheet and an aerosol-generating article including the same are provided. The nicotine sheet according to some embodiments of the present disclosure may include a nicotine material which includes a nicotine component and a cellulose-based material...