US Patent Issued to AGC on Oct. 27 for "Glass, chemically strengthened glass, and cover glass" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,244, issued on Oct. 27, was assigned to AGC Inc. (Tokyo).

"Glass, chemically strengthened glass, and cover glass" was invented by Hiroyuki Hijiya (Tokyo), Takato Kajihara (Tokyo), Eriko Maeda (Tokyo), Shusaku Akiba (Tokyo), Chieko Suzuki (Tokyo) and Kenji Imakita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chemically strengthened glass in which a base glass composition of the chemically strengthened glass includes, in terms of molar percentage based on oxides: 55% to 75% of SiO2; 8% to 20% of Al2O3; 3% to 15% of Li2O; 1% to 5% of Na2O; 0% to 3% of K2O; 0% to 10% of MgO; 0% to 3% of Y2O3; 0% to 3% of ZrO2; 0% to 10% of CaO; 0% to 5% of Sr...