03.04.19
US Patent No. 10,172,770 B2 (Aarti Rege); Colgate-Palmolive Company has patented a “high water” oral care composition that is comprised of an orally acceptable carrier, zinc phosphate, sodium fluoride, stannous pyrophosphate and an organic acid buffer system selected from citric acid, lactic acid, malic acid, maleic acid, fumaric acid, acetic acid, succinic acid and tartaric acid.