04.01.16
US Patent No. 9,259,379 B2; Glaxo Group Limited has patented a method of providing enhanced protection of teeth against dental erosion and/or toothwear. It is comprised of applying to teeth whose enamel an oral care composition comprising sodium fluoride, potassium nitrate, and a triple polymer system consisting of xanthan gum, carboxymethylcellulose and copovidone.