ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,943, issued on Feb. 17, was assigned to General Electric Co. (Evendale, Ohio).

"Pyrochlore/defect fluorite zirconates" was invented by Arundhati Sengupta (Bangalore, India), Mohandas Nayak (Bangalore, India), Sundeep Kumar (Bangalore, India) and Vipin Raju S (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising a rare earth-doped zirconium/hafnium oxide is provided that has a defect-fluorite structure or a pyrochlore structure. The rare earth-doped zirconium/hafnium oxide has a formula: (Ln1aLn2aLn3aLn4aLn5b)2M2O7 where each of Ln1, Ln2, Ln3, Ln4, and Ln5 is a different rare earth element such that Ln1 and M have ...