ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,566, issued on April 7, was assigned to HRL Laboratories LLC (Malibu, Calif.).

"Yttrium-containing and/or lutetium-containing high-temperature coatings" was invented by Christopher Roper (Oak Park, Calif.) and William Evans O'Connor (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "An yttrium-containing structure comprises: (a) a substrate layer comprising a metal alloy, a ceramic material, a ceramic composite, or a combination thereof; (b) a bond-coat layer disposed on the substrate layer, or on an optional interlayer that is on the substrate layer, wherein the bond-coat layer comprises yttrium and a noble metal selected from the group consist...