ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,753, issued on June 3, was assigned to Ecole Nationale Superieure d'Ingenieurs de Caen (Caen, France), Universite de Caen Normandie (Caen, France), Centre National de la Racherche Scientifique (Paris) and Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (Paris).

"Regenerable VOC filters with improved selectivity and efficacy" was invented by Marco Daturi (Epron, France), Pierre Guitton (Paris), Farid Nouar (Saint-Cyr-l'Ecole, France), Nicolas Sadovnik (Monterblanc, France) and Christian Serre (Plaisir, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates, inter alia, to the use of porous crys...