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Shigeya Yamasaki

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing camphorsultam
    • Patent number 6,441,187
    • Issue date Aug 27, 2002
    • Sumika Fine Chemicals Co., Ltd.
    • Hiroshi Shiratani
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents