US Patent Issued to R.J. Reynolds Tobacco on May 26 for "Package wrapping including PLA film with moisture barrier by atomic layer deposition" (Finnish, American Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,254, issued on May 26, was assigned to R.J. Reynolds Tobacco Co. (Winston-Salem, N.C.).

"Package wrapping including PLA film with moisture barrier by atomic layer deposition" was invented by Andries Don Sebastian (Clemmons, N.C.), Sami Ilmari Sneck (Espoo, Finland) and Mikko Juhani Soderlund (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein is a moisture barrier film for packaging, such as tobacco or cigarette packaging. The film comprises polylactic acid ("PLA") that is both biodegradable and transparent. The film includes multiple layers of PLA, with a base layer having a relatively high melting point compared to two outer la...