ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,323, issued on Dec. 16, was assigned to AGC GLASS EUROPE (Louvain-la-Neuve, Belgium).
"Glass sheet with high near-IR transmission and very low visible transmission" was invented by Michel Bogaerts (Gosselies, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A glass sheet having a high near-IR transmission and very low visible transmission. The glass sheet is a silicate-type and has a composition that includes, in a content expressed as weight percentages, by total weight of glass: total iron (expressed as Fe2O3) 0.02-1%, Chromium (expressed as Cr2O3) 0.05-0.8%, Cobalt (expressed as Co) 0.03-0.175%. The glass sheet shows, intrinsically, a very ...