US Patent Issued to Ivoclar Vivadent on Sept. 15 for "Sulfate-containing or phosphate-containing, self-adhesive dental composite cement with good transparency" (Liechtensteiner, Swiss, Austrian, Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,521, issued on Sept. 15, was assigned to Ivoclar Vivadent AG (Schaan, Liechtenstein).

"Sulfate-containing or phosphate-containing, self-adhesive dental composite cement with good transparency" was invented by Norbert Moszner (Triesen, Liechtenstein), Alexandros Gianasmidis (Balgach, Switzerland), Delphine Catel (Rans, Switzerland), Yohann Catel (Rans, Switzerland), Andy Brot (Balzers, Liechtenstein), Tim Haldner (Mauren, Liechtenstein), Thorsten Bock (Feldkirch, Austria) and Barbara Grabenbauer (Rebstein, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radical polymerizable composition having at least one acidic radical polymerizable monomer...