ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,856, issued on May 20, was assigned to INTERNATIONAL FLAVORS & FRAGRANCES INC. (New York).

"Hydroxyethyl cellulose microcapsules" was invented by Yi Zhang (Union Beach, N.J.), Yabin Lei (Union Beach, N.J.), Li Xu (Union Beach, N.J.), Ronald Gabbard (Union Beach, N.J.), Lewis Michael Popplewell (Union Beach, N.J.), Julie Ann Wieland (Union Beach, N.J.) and Takashi Sasaki (Union Beach, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are microcapsules each having a microcapsule core and a microcapsule wall encapsulating the microcapsule core. The microcapsule core contains an active material and the microcapsule wall contains hydroxyethyl...