ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,470, issued on March 25, was assigned to University of Florida Research Foundation INC. (Gainesville, Fla.).

"Chromogenic materials, methods of making chromogenic materials, and methods of use" was invented by Peng Jiang (Gainesville, Fla.), Ruochen Liu (Bryan, Texas), Rao Fei (Boulder, Colo.), Wei Zhang (Gainesville, Fla.), Sin-Yen Leo (Gainesville, Fla.), Calen Leverant (Gainesville, Fla.), Helena Jiang (Gainesville, Fla.), Curtis Taylor (Gainesville, Fla.) and Yifan Zhang (Gainesville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for porous polymer materials that include an ordered array of voids separated ...