Method of forming stable aqueous solutions of stannous compounds
AssigneeColgate-Palmolive Company
InventorsNagaraj Dixit, Gary Durga, Michael R. Burke, Michael Prencipe, Suryakant Patel
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Abstract
A method for the preparation of an aqueous stable premix containing a stannous ion releasing compound useful in the manufacture of an aqueous oral care composition containing a stable stannous ion releasing compound which comprises first dissolving the stannous compound in an aqueous solution of critic acid or its alkali metal salt to prepare the aqueous premix to the vehicle of the oral care composition.
Claims11
A method for the preparation of an aqueous oral care composition containing a stable stannous ion releasing compound which comprises first dissolving the stannous compound in an aqueous solution of citric acid or its alkali metal salt to prepare a premix and then adding the premix to the vehicle of the oral care composition.
Dependencies are inferred from the claim text.