ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,723, issued on Feb. 11, was assigned to BLACKLEAF (Strasbourg, France), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris) and UNIVERSITE DE STRASBOURG (Strasbourg, France).

"Method for producing, applying and fixing a multilayer surface coating on a host substrate, and host substrate assembly which can be obtained by said method" was invented by Housseinou Ba (Strasbourg, France), Armel Bahouka (Illkirch, France), Yannick Lafue (Strasbourg, France) and Cuong Pham-Huu (Strasbourg, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for producing, applying and fixing a multilayer surface coating (2a, 3a) on at le...