ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,949, issued on Jan. 20, was assigned to MERCENE COATINGS AB (Stockholm).

"Coating including primer" was invented by Tommy Haraldsson (Jarfalla, Sweden), Carl Fredrik Carlborg (Stockholm), Henrik Mikaelsson (Bandhagen, Sweden) and Jonas Hansson (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method of coating a substrate comprising applying a first mixture where the first mixture reacts to form covalent bonds to the substrate surface and where the unreacted parts of the first mixture undergo diffusive mixing with a second layer, which is applied on top of the first mixture. This avoids creation of a weak layer, which may...