09.01.17
US Patent No. 9,713,586 B2; Colgate-Palmolive has patented an oral care composition (toothpaste, gel, mouthwash or mouth rinse) that contains diluted sodium calcium alginate gel, wherein the weight ratio of sodium to calcium in the diluted gel is from 80:20 to 86:14, and wherein the diluted sodium calcium alginate gel is present in the composition in an amount of about 0.17 wt.%, based on the total weight of the oral care composition. The composition also contains water.