ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,477, issued on Aug. 12, was assigned to FIRMENICH SA (Satigny, Switzerland).

"Composite microcapsules" was invented by Kitty Van Gruijthuijsen (Satigny, Switzerland), Gregory Dardelle (Satigny, Switzerland), Arnaud Struillou (Satigny, Switzerland) and Philipp Erni (Satigny, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a composite microcapsule slurry including at least one microcapsule having an oil-based core including a hydrophobic material, preferably a perfume, and a composite shell including a first material and a second material. The first material and the second material are different, the first material is a ...