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Yoshinobu Suwabe
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Ichihara, JP
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last 30 patents
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Patent Grant
Process for producing polycarbonate having reduced residual chlorof...
Patent number
5,459,225
Issue date
Oct 17, 1995
Idemitsu Petrochemical Co., Ltd.
Shigeki Kuze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for producing polycarbonate
Patent number
5,349,042
Issue date
Sep 20, 1994
Idemitsu Petrochemical Co., Ltd.
Shigeki Kuze
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...