ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,593, issued on May 5, was assigned to KT&G Corp. (Daejeon, South Korea).
"Biodegradable film for cigarette packaging" was invented by Kyoung Hwan Oh (Yuseong-gu, South Korea), Min Hee Hwang (Yuseong-gu, South Korea), Soo Ho Kim (Yuseong-gu, South Korea) and Man Seok Seo (Yuseong-gu, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a biodegradable film for cigarette packaging, the film including a first film layer applied such that one surface thereof faces a cigarette product, a third film layer applied such that one surface thereof is exposed to the outside, and a second film layer positioned between the first film layer and the...