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Solid polymer electrolyte composition
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Patent number 4,798,773
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Issue date Jan 17, 1989
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Mitsubishi Petrochemical Co., Ltd.
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Eiki Yasukawa
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Cholesterol level-lowering agents
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Patent number 4,777,042
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Issue date Oct 11, 1988
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Mitsubishi Petrochemical Co., Ltd.
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Hideo Toda
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Anion-exchange resins
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Patent number 4,107,098
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Issue date Aug 15, 1978
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Mitsubishi Petrochemical Company Limited
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Noriyoshi Tamura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...