US Patent Issued to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e. V. on Dec. 9 for "Spinel glass-ceramic, method for the production thereof and shaped dental product containing the spinel glass-ceramic" (German Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,141, issued on Dec. 9, was assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e. V. (Munich).

"Spinel glass-ceramic, method for the production thereof and shaped dental product containing the spinel glass-ceramic" was invented by Bernhard Durschang (Wurzburg, Germany), Jorn Probst (Wurzburg, Germany) and Ferdinand Somorowsky (Wurzburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a spinel glass-ceramic made from a composition with the components 25 to 50% by weight SiO2, 10 to 35% by weight Al2O3, 1 to 15% by weight MgO, 1 to 15% by weight P2O5, 1 to 25% by weight ZrO2 and/or TiO2, 0...