ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,052, issued on Feb. 17, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Integral multilayer optical film" was invented by Carl A. Stover (St. Paul, Minn.), Kristopher J. Derks (Woodbury, Minn.), Benjamin J. Forsythe (Stillwater, Minn.), Stephen A. Johnson (Woodbury, Minn.), Derek W. Patzman (Prior Lake, Minn.), David T. Yust (Woodbury, Minn.) and Steven H. Kong (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integral multilayer optical film includes a plurality of interference layers; a structured layer disposed on the interference layers and including a plurality of particles dispersed in a binder; and a barrier ...