09.02.21
US Patent No. 11,065,186 B2 (Shiri Nawrocki, Viktor Dubovoy, Long Pan, Zhigang Hao, Nihal Dogu); Colgate-Palmolive Company has patented an oral care composition, in the form of mouthwash, oral gel or dentifrice, that is comprised of aqueous soluble tin phosphate complex formed from a mixture comprising tin fluoride or tin chloride and a tripolyphosphate salt.