ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,629, issued on June 3, was assigned to RTX Corp. (Farmington, Conn.).
"Silicon oxycarbide environmental barrier coating" was invented by Xia Tang (West Hartford, Conn.), Paul Sheedy (Bolton, Conn.), Tania Bhatia Kashyap (West Hartford, Conn.), Wayde R. Schmidt (Pomfret Center, Conn.) and Daniel G. Goberman (East Granby, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO2, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other...