| 发明名称 |
Novel ureas |
| 摘要 |
Novel ureas of the formula <IMAGE> I wherein A and B are chlorine or A is chlorine or hydrogen and B is -CF3, R and R1 are individually alkyl of 1 to 3 carbon atoms and R2 is alkyl of 1 to 6 carbon atoms optionally substituted with a halogen having herbicidal properties, particularly useful in cultivated grass crops and their preparation and use.
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| 申请公布号 |
US4137068(A) |
申请公布日期 |
1979.01.30 |
| 申请号 |
US19760667992 |
申请日期 |
1976.03.18 |
| 申请人 |
ROUSSEL UCLAF |
发明人 |
PERRONNET, JACQUES;DEMOUTE, JEAN-PIERRE;GIRAULT, PIERRE;TECHE, ANDRE |
| 分类号 |
A01N47/34;C07C67/00;C07C313/00;C07C313/08;C07C313/34;C07D263/04;(IPC1-7):A01N9/12;C07C119/20 |
主分类号 |
A01N47/34 |
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