ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,233, issued on April 8, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Nicotine containing sheet" was invented by Corinne Deforel (Formangueires, Switzerland), Judith Waller (Peseux, Switzerland) and Gerard Zuber (Froideville, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol-generating article is provided, including an aerosol-forming substrate, the aerosol-forming substrate including a sheet, including: a fibrous material including cellulose fibres; one or more nicotine salts; sugar; and at least one aerosol former, the sheet having an aerosol former content of at least 15% by weight on a dry weight basi...