发明名称 |
Urea derivatives and highly selective herbicidal compositions containing the same |
摘要 |
There are provided novel urea derivatives of the general formula <IMAGE> wherein X, n, A and R are defined in the description; processes for preparing the derivatives and herbicidal composition containing as active ingredient the derivative. The derivatives have highly selective herbicidal activities.
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申请公布号 |
US4358309(A) |
申请公布日期 |
1982.11.09 |
申请号 |
US19810247711 |
申请日期 |
1981.03.26 |
申请人 |
CHUGAI SEIYAKU KABUSHIKI KAISHA |
发明人 |
TAKEMATSU, TETSUO;TAKEUCHI, MASAKI;OKADA, MASANORI;SUGIYAMA, HIROSHI;MURAKAMI, YASUSHI |
分类号 |
A01N47/30;C07C275/34;C07C275/64;(IPC1-7):C07C69/76;C07C127/19;A01N9/20 |
主分类号 |
A01N47/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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