ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,546, issued on July 1, was assigned to Owens Corning Intellectual Capital LLC (Toledo, Ohio).
"High performance fiberglass composition" was invented by Peter Bernard McGinnis (Gahanna, Ohio) and Michelle Korwin-Edson (Granville, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A glass composition is provided that includes about 55.0 to 60.4% by weight SiO2, about 19.0 to 25.0% by weight Al2O3, about 8.0 to 15.0% by weight MgO, about 7 to 12.0% by weight CaO, less than 0.5% by weight Li2O, 0.0 to about 1.0% by weight Na2O, and 0 to about 1.5% by weight TiO2. The glass composition has a fiberizing temperature of no greater than about 2,500deg F. Gla...