| 发明名称 |
Process for recovering 3-nitrobenzoic acid |
| 摘要 |
3-Nitrobenzoic acid is recovered from a mixture of 2-, 3- and 4-nitrobenzoic acids by basifying to a pH of 8-12 and then adding an acid to reduce the pH to 1.5-3.5 to precipitate the desired compound.
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| 申请公布号 |
US4288615(A) |
申请公布日期 |
1981.09.08 |
| 申请号 |
US19800122957 |
申请日期 |
1980.02.21 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
BRIGHT, JOHN H. |
| 分类号 |
C07C201/16;(IPC1-7):C07C51/43 |
主分类号 |
C07C201/16 |
| 代理机构 |
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代理人 |
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| 地址 |
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