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Pyrrole monomer
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Patent number 5,278,295
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Issue date Jan 11, 1994
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Nippon Soda Co., Ltd.
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Hirofumi Suzuki
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C07 - ORGANIC CHEMISTRY
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Heterocyclic compounds
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Patent number 4,442,116
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Issue date Apr 10, 1984
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Nippon Soda Company, Limited
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Isao Iwataki
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C07 - ORGANIC CHEMISTRY
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Heterocyclic compounds
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Patent number 4,431,814
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Issue date Feb 14, 1984
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Nippon Soda Company Limited
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Isao Iwataki
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C07 - ORGANIC CHEMISTRY
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Diphenylamine derivatives
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Patent number 4,259,105
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Issue date Mar 31, 1981
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Nippon Soda Company, Ltd.
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Kuniyasu Maeda
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING