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Bicomponent material
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Patent number 5,019,062
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Issue date May 28, 1991
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The Procter & Gamble Company
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Leslie D. Ryan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral compositions
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Patent number 4,959,204
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Issue date Sep 25, 1990
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The Proctor & Gamble Company
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Leslie D. Ryan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral compositions
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Patent number 4,663,154
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Issue date May 5, 1987
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The Procter & Gamble Company
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Leslie D. Ryan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral compositions
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Patent number 4,472,373
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Issue date Sep 18, 1984
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The Procter & Gamble Company
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Leslie D. Ryan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE