ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,351, issued on Sept. 29, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"High barrier powder capsule" was invented by Ross Lange (Neuchatel, Switzerland), Cristian Neagu (Epalinges, Switzerland) and Cesare Lorenzetti (Boudry, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A capsule article (100) includes a polymeric body (110) extending along a longitudinal axis from a first end to a second end and defining a capsule cavity (105) containing powder, and a metal foil (120) and a sealant layer (130) covering an outer surface of the polymeric body. A method of forming a hermetic capsule includes the steps of wrapping ...