ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,184, issued on Sept. 29, was assigned to Ivoclar Vivadent AG (Schaan, Liechtenstein).
"Lithium silicate glass ceramic comprising copper" was invented by Marc Dittmer (Feldkirch, Austria), Markus Rampf (Seewis-Dorf, Switzerland), Christian Ritzberger (Grabs, Switzerland) and Katrin Sulser (Trubbach, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Lithium silicate glass ceramics and precursors thereof are described, which comprise copper and are characterized by very good mechanical and optical properties and can be used in particular as restorative materials in dentistry."
The patent was filed on Dec. 19, 2022, under Application No. 18/0...