US Patent Issued to The Procter & Gamble on Sept. 30 for "Oral care compositions comprising monodentate and polydentate ligand" (Singaporean, American Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,097, issued on Sept. 30, was assigned to The Procter & Gamble Co. (Cincinnati).

"Oral care compositions comprising monodentate and polydentate ligand" was invented by William Michael Glandorf (Mason, Ohio), Andrew Frederic Groth (Mason, Ohio), Samuel James St. John (Cincinnati) and Ross Strand (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Oral care compositions including tin, monodentate ligand, and polydentate ligand with an optimized molar ratio of tin to monodentate ligand to polydentate ligand. Oral care compositions with a tin to monodentate ligand to polydentate molar ratio of from about 1:0.5:0.5 to about 1:5:5. Oral care composi...