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Process for producing polyphenylene ether
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Patent number 6,759,507
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Issue date Jul 6, 2004
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Mitsubishi Gas Chemical Co., Inc.
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Kiyoshi Yoshida
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Method of precipitating polyphenylene ether
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Patent number 6,627,727
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Issue date Sep 30, 2003
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Mitsubishi Gas Chemical Co.
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Kiyoshi Yoshida
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Hygroscopic insect-proofing composition
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Patent number 5,043,351
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Issue date Aug 27, 1991
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Mitsubishi Gas Chemical Company, Inc.
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Mutsuhiko Takeda
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Stability-improved trioxane composition
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Patent number 5,026,875
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Issue date Jun 25, 1991
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Mitsubishi Gas Chemical Company, Inc.
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Mutsuhiko Takeda
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING