09.02.19
US Patent No. 10,363,206 B2 (Shashank Potnis, Rolando Plata, Shridhara M Kamath, Nookesh Kotipalli, Manish Mandhare); Colgate-Palmolive Company has patented an oral care composition comprising a calcium abrasive, potassium nitrate (KNO3), and a basic amino acid, in free or salt form, wherein the potassium nitrate is present in an amount of 0.3-0.8% by weight of the composition, wherein the composition is a dentifrice, wherein the calcium abrasive is present in an amount of 30-60% by weight of the composition, wherein the basic amino acid, in free or salt form, is present in an amount of 0.1-20% by weight of the composition, wherein the calcium abrasive is calcium carbonate, and wherein the basic amino acid, in free or salt form, is arginine, in free or salt form.