ALUMINA AND ANIONIC PHOSPHATE ESTER FOR TOOTHPASTE

摘要

This invention relates to a toothpaste composition. In particular it relates to a toothpaste composition which is compatible with an unlined aluminum container such as a toothpaste tube, said composition comprising a dentally acceptable oral vehicle and dispersed therein about 20 - 75% by weight of a polishing material including hydrate of alumina in amount of at least 10% by height of the toothpaste, and about 0.05 - 5% by weight of an anionic phosphate ester surface active agent comprising a mixture of monoester of the formula diester of the formula wherein R is an alkyl group of 10 - 20 carbon atoms, n is an integer from 1 - 6 and M is selected from the group consisting of hydrogen, alkali metal and ammonium, said tooth paste having a pH of up to about 9.5.