Happi Staff05.21.20
US Patent No. 10,624,824 B2 (Venda Maloney, Suman Chopra, Rahul Patel); Colgate-Palmolive Company, has patented a single-phase oral care composition that is comprised of calcium pyrophosphate and precipitated silica that has a mean particle size (d50) of from 5 to 15 μm, an oil absorption of from 40 to 120 cm3/100g, and a pellicle cleaning ratio of greater than 85 when tested at 20% loading. The composition comprises no more than 22 wt. % of abrasives, including calcium pyrophosphate and precipitated silica, based on the total weight of the composition.