The Procter Gamble Company

Michael Lashawn Britt

Connie Lynn Sheets

Steven Carl Burgess

James Albert Berta

Sue Ellen Bernheim

The present invention relates to an oral composition comprising a soluble fluoride ion source, tetrasodium pyrophosphate, calcium peroxide, one or more nonionic surfactants and/or amphoteric surfactants, and one or more aqueous carriers; wherein the oral composition has a neat pH of from about 9.0 to about 10.5 and a total water content of from about 5% to about 20%. The invention may also include polyethylene glycol, an alkali metal bicarbonate salt, and xylitol.

Oral compositions containing fluoride, pyrophosphate, peroxide, and

The present invention relates to a method of manufacturing predominately undissolved pyrophosphate and calcium peroxide compositions comprising the steps of: (a) preparing a mixture of a soluble fluoride ion source and one or more aqueous carrier materials; (b) adding tetrasodium pyrophosphate and calcium peroxide, all at once or in portions, under conditions wherein less than about 20% of the total pyrophosphate and calcium peroxide are dissolved in the mixture, and wherein any further remaining aqueous carrier materials not added to the mixtures during step (a) are added in whole or in part in step (b) or thereafter, either by themselves or with any remaining amount of the tetrasodium pyrophosphate or calcium peroxide under conditions such that less then about 20% of the total pyrophosphate and calcium peroxide are dissolved in the mixture; and (c) heating the mixture.

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Cincinnati, OH, United States of America

Michael Lashawn Britt