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US 5,176,900 AGranted
Compositions for reducing calculus
AssigneeThe Procter & Gamble Company
InventorsDonald J. White, Jr., Edward R. Cox, Mary A. Hunter
Life of this patent
Estimating the term…
Abstract
Disclosed are oral compositions which are effective against calculus comprising a tripolyphosphate salt and an orthophosphate salt.
Claims17
An oral composition consisting essentially of:
- (a) an amount of a water soluble tripolyphosphate salt sufficient to provide from about 0.5% to about 7.5% of P.sub.3 O.sub.10 and species;
- (b) an amount of a water soluble orthophosphate salt sufficient to provide from about 0.2% to about 5.0% of orthophosphate anion species;
- (c) an amount of a water soluble fluoride ion source sufficient to provide from about 50 ppm to about 1500 ppm of fluoride ions;
- and
- (d) water.
2 more elements
Dependencies are inferred from the claim text.