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Nobuko Tsukazi
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Yokkaichi, JP
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last 30 patents
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Patent Grant
Process for producing polyhydroxycarboxlic acid
Patent number
5,883,222
Issue date
Mar 16, 1999
Kyowa Hakko Kogyo Co., Ltd.
Norio Yanagisawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...