ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,171, issued on March 17, was assigned to CONSIGLIO NAZIONALE DELLE RICERCHE (Rome).

"Process for obtaining composite, ultra-refractory, fibre-reinforced ceramic materials" was invented by Luca Zoli (Ravenna, Italy), Diletta Sciti (Imola, Italy), Laura Silvestroni (Russi, Italy) and Antonio Vinci (Faenza, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing a composite, ultra-refractory, fibre-reinforced ceramic material obtained through the infiltration of carbon and/or silicon carbide fibres with a ceramic suspension comprising yttrium, lanthanum and/or scandium compounds, and the subsequent...