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Title: Calcium pyrophosphate abrasive system for dentifrice

Abstract: Dentifrice possessing enhanced polishing characteristics containing abrasive system including at least calcium pyrophosphate and a non-toxic zinc compound in an amount to provide at least about 0.0065% of zinc to the dentifrice.


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Other info:


Inventors: Cordon, Martin (Highland Park, NJ, US)
Norfleet, James (Plainfield, NJ, US)

Application Number: 559117
Filing Date: 1975-03-17
Publication_date: 1976-11-02
Assignee: Colgate-Palmolive Company (New York, NY)
Primary Class(es): 424/57
Other Classes:
US Patent Ref:
3622662Nov, 1971Roberts424/58.
3887701Jun, 1975Nachtigal424/52.

Other Refs:
Primary Examiner: Gotts, Lewis
Assistant Examiner: Owens, Cary
Attorney: Stone; Robert L., Grill; Murray M., Sylvester; Herbert S.