ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,854, issued on May 26, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Multilayer film" was invented by Peter D. Condo (Lake Elmo, Minn.) and David Scott Thompson (Bayport, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multilayer film includes pluralities of first layers and polymeric second layers arranged along a thickness direction of the multilayer film. The first and second layers having different compositions. At least one layer of the multilayer film includes at least one polymer and metal oxide nanoparticles dispersed in the at least one polymer. The at least one polymer includes a first polymer including (meth)acryl...