ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,055, issued on June 16, was assigned to SCHOTT AG (Mainz, Germany).

"Glass, method for producing a glass, and glass melting apparatus" was invented by Armin Vogl (Jena, Germany), Joerg Hessenkemper (Jena, Germany), Knut Jakobi (Jena, Germany), Klaus-Dieter Duch (Taunusstein, Germany), Andreas Sprenger (Rothenstein, Germany), Michael Hahn (Hohenstein, Germany), Klaus-Peter Koenig (Jena, Germany) and Thomas Pfeiffer (Ingelheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glass element has, per kg of glass, 50 or fewer inclusions having a size of 2 micro metre to 10 micro metre. The glass element can be made of borosilicate glass."

The pa...