ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,699, issued on March 31, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Aerosol-generating substrate" was invented by Anu Ajithkumar (Neuchatel, Switzerland), Daniel Arndt (Neuchatel, Switzerland), Prisca Campanoni (Neuchatel, Switzerland), Damien De Palo (Neuchatel, Switzerland), Corinne Deforel (Neuchatel, Switzerland), Gerhard Lang (Neuchatel, Switzerland), Delphine Langlet (Neuchatel, Switzerland), Jean-Pierre Schaller (Neuchatel, Switzerland) and Zoe Odot (Neuchatel, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol-generating article is provided, including an aerosol-generating substrate, the aeroso...