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Miwa Shirasaki
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Ibaraki, JP
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last 30 patents
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Patent Grant
Modified ion exchange resins and use thereof
Patent number
5,589,517
Issue date
Dec 31, 1996
Mitsubishi Chemical Corporation
Takahiro Sugawara
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for purification of naphthalenedicarboxylic acid
Patent number
5,344,969
Issue date
Sep 6, 1994
Mitsubishi Petrochemical Co., Ltd.
Hiroshi Iwane
C07 - ORGANIC CHEMISTRY