ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,127, issued on June 17, was assigned to The Trustees of the University of Pennsylvania (Philadelphia).

"Aqueous systems of at least two phases containing microcapsules and processes for manufacturing the same" was invented by Daeyeon Lee (Wynnewood, Pa.), Kathleen J Stebe (Penn Valley, Pa.) and Sarah D Hann (Yardley, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect of the invention, a microcapsule includes a film encapsulating a material. The film is formed by complexation of at least two mutually attractive components initially present in an aqueous dispersion comprising a continuous phase and a dispersed phase. The at least one fir...