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Antitussives
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Patent number 6,337,330
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Issue date Jan 8, 2002
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Toray Industries, Inc.
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Hiroshi Nagase
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C07 - ORGANIC CHEMISTRY
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Antipruritic
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Patent number 6,316,461
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Issue date Nov 13, 2001
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Toray Industries, Inc.
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Hiroshi Nagase
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Antipruritic agent
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Patent number 6,174,891
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Issue date Jan 16, 2001
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Toray Industries, Inc.
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Hiroshi Nagase
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Antitussive
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Patent number 5,714,483
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Issue date Feb 3, 1998
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Toray Industries, Inc.
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Hiroshi Nagase
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE