ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,154, issued on March 24, was assigned to EM-TECH Co. Ltd. (Gyeongsangnam-do, South Korea).
"Electrically heated smoking article" was invented by Hwan Ock Choe (Gyeongsangnam-do, South Korea) and Ji Hye Jang (Busan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically heated smoking article includes a filter layer, a hollow tube layer stacked at a lower end of the filter layer, an aerosol-forming substrate layer stacked below the hollow tube layer and including a mixture of a solid moisture absorbent and a liquid aerosol-forming substrate capsule, and a wrapping portion surrounding the filter layer, the hollow tube layer, and t...