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Absorbable barrier membrane
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Patent number 6,169,046
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Issue date Jan 2, 2001
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Director-General of National Institute for Research in Organic Materials
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Toshiki Shikata
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Expanded material and laminate
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Patent number 6,110,578
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Issue date Aug 29, 2000
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Dainippon Ink and Chemicals, Inc.
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Yasutoshi Kakizawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Expanded material and laminate
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Patent number 6,037,384
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Issue date Mar 14, 2000
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Dainippon Ink and Chemicals, Inc.
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Yasutoshi Kakizawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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