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Polyvinyl alcohol
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Patent number 6,162,864
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Issue date Dec 19, 2000
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Kuraray Co., Ltd.
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Masao Tanihara
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Wound dressing
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Patent number 5,679,371
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Issue date Oct 21, 1997
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Kuraray Co., Ltd.
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Masao Tanihara
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Polyvinyl alcohol fiber
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Patent number 5,238,995
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Issue date Aug 24, 1993
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Kuraray Company Limited
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Yoshiharu Fukunishi
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Vinyl alcohol polymer
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Patent number 5,187,226
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Issue date Feb 16, 1993
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Kuraray Co., Ltd.
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Mikiharu Kamachi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...