ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,380, issued on April 29, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).

"Shaped artificial polymer articles" was invented by Gerard R. Finnegan (Tarrytown, N.Y.), Thomas F. Thompson (Tarrytown, N.Y.), Juan Carlos Capote (Tarrytown, N.Y.) and Rupa Hiremath Darji (Tarrytown, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Use of porous metal oxide microspheres as light stabilizers for shaped artificial polymer articles, wherein the porous metal oxide microspheres are prepared via a process comprising forming a liquid dispersion of polymer nanoparticles and a metal oxide; forming liquid droplets of the dispersion; drying the droplets to p...