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Norihiro Kawamura
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Shizuoka, JP
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last 30 patents
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Patent Grant
Pyrimidine or triazine derivatives
Patent number
5,302,739
Issue date
Apr 12, 1994
Kumiai Chemical Industry Co.
Masatoshi Tamaru
C07 - ORGANIC CHEMISTRY
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Patent Grant
Triazine derivatives and herbicidal composition containing the same
Patent number
5,242,895
Issue date
Sep 7, 1993
Kumiai Chemical Co.
Masatoshi Tamaru
C07 - ORGANIC CHEMISTRY
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Patent Grant
Pyrimidine derivatives and herbicidal composition containing the same
Patent number
5,118,339
Issue date
Jun 2, 1992
Kumiai Chemical Co.
Masatoshi Tamaru
C07 - ORGANIC CHEMISTRY