ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,320, issued on Jan. 13, was assigned to The Procter & Gamble Co. (Cincinnati).

"Oral care compositions comprising fluoride ions" was invented by Arif Ali Baig (Mason, Ohio), Min Mao (Deerfield Township, Ohio), Gregory Charles Gordon (Loveland, Ohio), Melissa Cherie Payne (West Chester, Ohio), Holly Balasubramanian Rauckhorst (Ft. Thomas, Ky.), Paul Albert Sagel (Maineville, Ohio), Jeanette Marie Swartz (Loveland, Ohio), Paul Dennis Trokhan (Hamilton, Ohio), Brian Patrick Croll (Hamilton, Ohio), Dinah Achola Nyangiro (Mason, Ohio) and Samuel James St. John (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "Oral care compositions and/or unit-d...