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Oral compositions
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Patent number 5,683,678
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Issue date Nov 4, 1997
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The Procter & Gamble Company
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David Clinton Heckert
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral compositions
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Patent number 4,902,497
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Issue date Feb 20, 1990
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The Procter & Gamble Company
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Mark M. Crisanti
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Anticalculus compositions
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Patent number 4,847,070
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Issue date Jul 11, 1989
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The Procter & Gamble Company
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Joseph W. Pyrz
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral compositions
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Patent number 4,661,341
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Issue date Apr 28, 1987
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The Procter & Gamble Company
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James J. Benedict
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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