US Patent Issued to RTX on June 30 for "Multilayer coating for oxidation protection" (Connecticut, California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,550, issued on June 30, was assigned to RTX Corp. (Farmington, Conn.).

"Multilayer coating for oxidation protection" was invented by Olivier H. Sudre (Glastonbury, Conn.), Evan B. Callaway (Santa Barbara, Calif.), Daniel L. Becerra (West Hartford, Conn.), Mary Colby (West Hartford, Conn.) and Cristal Chan (East Hampton, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coated fiber structure for use in a ceramic matrix composite comprises a fiber and a coating system applied to and circumscribing the fiber. The coating system comprises an interface coating layer in direct contact with the fiber, the interface coating layer comprising one of bor...