| 发明名称 |
PROCESS FOR TREATING DINITROANILINES WITH SULFITE TO REDUCE IMPURITIES AND TO REDUCE THE ABILITY TO PRODUCE NITROSAMINES |
| 摘要 |
The present invention is directed toward a process of treating crude dinitroaniline with an aqueous sulfite solution as a method of stabilizing the herbicide against formation of nitrosamines and of reducing impurities therein. C-50,048
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| 申请公布号 |
CA2052560(A1) |
申请公布日期 |
1992.04.03 |
| 申请号 |
CA19912052560 |
申请日期 |
1991.10.01 |
| 申请人 |
DOWELANCO, |
发明人 |
WIRTH, DAVID D. |
| 分类号 |
A01N33/18;C07C209/84;C07C209/90;C07C211/52;(IPC1-7):C07C209/82;C07C303/42;C07C311/39;C07C315/06;C07C317/28;C07C381/10 |
主分类号 |
A01N33/18 |
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