US Patent Issued to University of Florida Research Foundation on Feb. 17 for "Photonic crystal micropatterns and anti-counterfeiting films, methods of making, and methods of use" (Florida Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,909, issued on Feb. 17, was assigned to University of Florida Research Foundation INC. (Gainesville, Fla.).

"Photonic crystal micropatterns and anti-counterfeiting films, methods of making, and methods of use" was invented by Peng Jiang (Gainesville, Fla.), Calen Leverant (Gainesville, Fla.) and Yifan Zhang (Gainesville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods for fabricating a porous polymer material, methods for revealing hidden anti-counterfeiting patterns, chromogenic sensors having hidden anti-counterfeiting patterns, and the like. Chromogenic sensors including porous polymer materials are provided. The c...