Patent ID: 6350436
Filing Date: 2002-02-26
Classification: A61K,A61Q

Abstract:
A method of reducing staining of a dual-phase dentifrice composition containing stannous for administration to a subject, comprising including in said dentifrice composition contained in physically separated compartments of a dentifrice dispenser:a. a first dentifrice composition comprising an effective amount of one or more linear polyphosphates having an average chain length of about 6 to 21, wherein the first dentifrice composition has a total water content of up to about 20% and is essentially free of an ionic fluoride source; and b. a second dentifrice composition comprising an effective amount of stannous ions; wherein a molar ratio of polyphosphate anion to stannous ion is from about 0.2:1 to about 5:1 and the efficacy of the stannous ions in the dentifrice is not reduced by the polyphosphate.