ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,996, issued on June 17, was assigned to GOODRICH Corp. (Charlotte, N.C.).

"High temperature oxidation protection for carbon-carbon composites" was invented by Atta Khan (Colorado Springs, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for forming an oxidation protection system on a composite structure is provided, which may comprise applying a ceramic layer slurry to the composite structure, wherein the ceramic layer slurry may comprise aluminum and silicon in a solvent or carrier fluid; heating the composite structure to form a ceramic layer on the composite structure, wherein the ceramic layer may comprise aluminum nitride; applying...