US Patent Issued to James R. Glidewell Dental Ceramics on Aug. 11 for "Fabrication of polychromatic/polytranslucent zirconia block from pre-shaded ZrO2 block by infiltration" (California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,669, issued on Aug. 11, was assigned to James R. Glidewell Dental Ceramics Inc. (Newport Beach, Calif.).

"Fabrication of polychromatic/polytranslucent zirconia block from pre-shaded ZrO2 block by infiltration" was invented by Dongkyu Kim (Irvine, Calif.) and Rajashekharam V. Malyala (Camarillo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-shaded ZrO2 block (e.g., a monochromatic block or polychromatic block) is sequentially infiltrated with a yttrium-containing solution at one porous surface and with water at a second porous surface to make a polychromatic/polytranslucent ZrO2 block."

The patent was filed on March 24, 2023, under App...