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Branched polyalkylene glycols
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Patent number 7,691,367
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Issue date Apr 6, 2010
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Kyowa Hakko Kirin Co., Ltd.
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Motoo Yamasaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Branched polyalkylene glycols
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Patent number 7,547,765
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Issue date Jun 16, 2009
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Kyowa Hakko Kirin Co., Ltd.
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Motoo Yamasaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Branched polyalkylene glycols
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Patent number 7,291,713
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Issue date Nov 6, 2007
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Kyowa Hakko Kogyo Co., Ltd.
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Motoo Yamasaki
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...