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Water absorbent resin
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Patent number 6,087,002
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Issue date Jul 11, 2000
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Nippon Shokubai Kagaku Kogyo Co. Ltd.
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Kazumasa Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Water-absorbent resin and production process
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Patent number 5,244,735
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Issue date Sep 14, 1993
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Nippon Shokubai Kagaku Kabushiki Kaisha
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Kazumasa Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Water-absorbent resin and production process
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Patent number 5,026,800
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Issue date Jun 25, 1991
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Nippon Shokubai Kagaku Kogyo Co., Ltd.
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Kazumasa Kimura
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Production process for water-absorbent resin
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Patent number 4,973,632
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Issue date Nov 27, 1990
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Nippon Shokubai Kagaku Kogyo Co., Ltd.
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Kinya Nagasuna
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...