ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,287, issued on Aug. 4, was assigned to KURARAY NORITAKE DENTAL INC. (Kurashiki, Japan).
"Dental cement" was invented by Mitsunobu Kawashima (Niigata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a dental cement that excels in ease of handling without its powder-to-liquid ratio greatly affecting ease of handling such as kneadability or ease of filling as compared to traditional dental portland cements, and that can provide a hardened material having excellent compressive strength. The present invention relates to a dental cement comprising a powder component and a liquid component, wherein: the powder component c...