ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,152, issued on Sept. 8, was assigned to KOREA PHOTONICS TECHNOLOGY INSTITUTE (Gwangju, South Korea).

"Composition for eco-friendly infrared transmissive glass and method for manufacturing optical glass using the same" was invented by Juhyeon Choi (Gwangju, South Korea), Seonhoon Kim (Gwangju, South Korea), Weesam Lee (Gwangju, South Korea) and Jeonghwan In (Gwangju, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition for eco-friendly infrared transmissive glass and a method for optical glass using the same are disclosed. According to an embodiment of the present invention, there is provided a method for manufacturing optical gla...