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Katsuhiko Kawakubo
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Tokyo, JA
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last 30 patents
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Patent Grant
Herbicidal compositions
Patent number
4,063,925
Issue date
Dec 20, 1977
Sankyo Company Limited
Takuo Konotsune
C07 - ORGANIC CHEMISTRY
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Patent Grant
Pyrazolone derivatives and their use as herbicides
Patent number
4,036,631
Issue date
Jul 19, 1977
Sankyo Company Limited
Takuo Konotsune
C07 - ORGANIC CHEMISTRY