ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,619, issued on Sept. 30, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Aerosol-generating substrate comprising Matricaria species" was invented by Daniel Arndt (Bellmund, Switzerland), Prisca Campanoni (Villars-Burquin, Switzerland) and Jean-Pierre Schaller (Geneva).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heatable aerosol-generating article is provided, including: an aerosol-generating substrate, including a homogenised chamomile material, the homogenised chamomile material including at least 2.5 percent by weight of chamomile particles on a dry weight basis, an aerosol former, and a binder, at least 20 micrograms o...