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Yasushi Nagai
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Tokyo, JP
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last 30 patents
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Patent Grant
Polyprenyl sulfone derivatives and process for producing the same
Patent number
4,613,571
Issue date
Sep 23, 1986
Esai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
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Patent Grant
Polyprenyl sulfones
Patent number
4,449,002
Issue date
May 15, 1984
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY