ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,145, issued on May 13, was assigned to CORNING Inc. (Corning, N.Y.).
"Glasses having non-frangible stress profiles" was invented by Delena Lucinda Justice Duffy (Lindley, N.Y.), Rostislav Vatchev Roussev (Painted Post, N.Y.), Vitor Marino Schneider (Painted Post, N.Y.) and Kristy Lynn Smith (Bath, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A glass exhibiting non-frangible behavior in a region where substantially higher central tension is possible without reaching frangibility is provided. This region allows greater extension of the depth of compression in which fracture-causing flaws are arrested, without rendering the glass frangible despi...