ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,664, issued on April 14, was assigned to CORNING Inc. (Corning, N.Y.).
"Glass-ceramics with high elastic modulus and hardness" was invented by Alexandra Lai Ching Kao Andrews Mitchell (Ithaca, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition includes 30 mol % to 60 mol % SiO2; 15 mol % to 40 mol % Al2O3; 5 mol % to 25 mol % Y2O3; 5 mol % to 15 mol % TiO2; and 0.1 mol % to 15 mol % RO, such that RO is a sum of MgO, CaO, SrO, and BaO."
The patent was filed on May 2, 2023, under Application No. 18/142,138.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO...