Dentrifice
OwnerHorst Westenfelderinventor
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Abstract
A method for suppressing discoloration of a composition in which a discoloration suppressing amount of ethylenediaminetetraacetic acid or a salt thereof is incorporated into a composition containing an ascorbic acid derivative. Compositions that resist discoloration containing an ascorbic acid derivative and ethylenediaminetetraacetic acid or a salt thereof, and methods of making such compositions.
Claims9
Use of ethylenediaminetetraacetic acid or a salt thereof for suppressing discoloration in dentifrices containing an ascorbic acid derivative.
A dentifrice containing an ascorbic acid derivative and ethylenediaminetetraacetic acid or a salt thereof, except such dentifrices wherein the ascorbic acid derivative is magnesium ascorbyl phosphate and the ethylenediaminetetraacetic acid salt is calcium ethylenediarninetetraacetate.
The invention as particularly described hereinbefore, especially with reference to the Examples.
Dependencies are inferred from the claim text.