ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,639, issued on April 22, was assigned to Philip Morris USA Inc. (Richmond, Va.).
"Gamma cyclodextrin flavoring-release additives" was invented by Munmaya K. Mishra (Manakin Sabot, Va.), Susan E. Wrenn (Chesterfield, Va.) and Jay A. Fournier (Richmond, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Electrically heated cigarettes used in an electrical smoking system include a flavoring-release additive and sorbent effective to remove one or more gas-phase constituents of mainstream tobacco smoke. The flavoring-release additive includes gamma cyclodextrin and at least one flavoring. Flavoring is released in a cigarette upon the flavoring-release add...