US Patent Issued to Ivoclar Vivadent on May 12 for "Lithium silicate glass ceramic with easy machinability" (Swiss Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,954, issued on May 12, was assigned to Ivoclar Vivadent AG (Schaan, Liechtenstein).

"Lithium silicate glass ceramic with easy machinability" was invented by Christian Ritzberger (Grabs, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium silicate glass ceramic having lithium metasilicate as main crystal phase and having not more than 30 wt.-% of lithium metasilicate crystals."

The patent was filed on Aug. 19, 2022, under Application No. 17/821,110.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&...