ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,336, issued on Jan. 13, was assigned to Colgate-Palmolive Co. (New York).

"Oral care compositions" was invented by Dennis Zhang (Piscataway, N.J.), Luciana Rinaudi Marron (Somerset, N.J.), Stacey Lavender (Chesterfield, N.J.), Alice Ng (Livingston, N.J.) and Qichao Ruan (Hillsborough, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are oral care compositions comprising hydroxyapatite and hydroxyethylcellulose as well as methods of reducing or inhibiting enamel erosion, repairing enamel erosion damage, and/or increasing enamel microcrack resistance using these compositions."

The patent was filed on July 20, 2022, under Applicati...