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Process for preparing water-absorbent resin
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Patent number 6,573,330
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Issue date Jun 3, 2003
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Sumitomo Seika Chemicals, Co., Ltd.
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Masato Fujikake
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Water-absorbent resin composition
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Patent number 4,972,019
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Issue date Nov 20, 1990
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Seitetsu Kagaku Co., Ltd.
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Shigeji Obayashi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Water-absorbent resin composition
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Patent number 4,863,989
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Issue date Sep 5, 1989
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Seitetsu Kagaku Co., Ltd.
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Shigeji Obayashi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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