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Kaoru Iwasaki
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Himeji, JP
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last 30 patents
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Patent Grant
Hydrophilic polymer and method for production thereof
Patent number
5,073,612
Issue date
Dec 17, 1991
Nippon Shokubai Kagaku Kogyo, Co., Ltd.
Yoshio Irie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Method for production of hydrophilic polymer from hydrated gel polymer
Patent number
4,920,202
Issue date
Apr 24, 1990
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yoshio Irie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...