ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,902, issued on Sept. 22, was assigned to CDGM GLASS Co. LTD (Chengdu, China).
"Environment-friendly glass material" was invented by Lulu Mao (Chengdu, China), Liangzhen Hao (Chengdu, China), Sai Li (Chengdu, China), Bo Kuang (Chengdu, China) and Peng Zhang (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An environment-friendly glass material, including components like SiO2, ZnO, alkali metal oxide and S, but does not contain Cd, wherein when the thickness of the environment-friendly glass material is 3 mm, the cutoff wavelength is above 550 nm, the transmittance at 800-850 nm is above 75%, the transmittance at 850-900 nm is above 80%...