US Patent Issued to RTX on May 20 for "Method for fabricating an environmental barrier coating on a ceramic matrix composite" (Florida Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,874, issued on May 20, was assigned to RTX Corp. (Farmington, Conn.).

"Method for fabricating an environmental barrier coating on a ceramic matrix composite" was invented by Imelda P. Smyth (North Palm Beach, Fla.) and Sarah A. Frith (Jupiter, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fabricating a coating includes providing a ceramic matrix composite that includes SiC fibers disposed in a SiC matrix, depositing a base slurry on the ceramic matrix composite, wherein the base slurry contains powders of a metal oxide, at least one of silicon carbide, silicon nitride, or free silicon, and barium-magnesium-aluminosilicate in a firs...