| 发明名称 |
EVAPORATION OF WATER DURING UREA ADDUCT FORMATION |
| 摘要 |
Extractive crystallization separation process in which adduct formation and concentration of an aqueous solution of the adduct-forming agent are simultaneously performed in the same reaction zone.
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| 申请公布号 |
US3644201(A) |
申请公布日期 |
1972.02.22 |
| 申请号 |
USD3644201 |
申请日期 |
1969.12.05 |
| 申请人 |
SHELL OIL CO. |
发明人 |
CORNELIS W.C. VAN PAASSEN;HUBRECHT C.A. VAN MEURS |
| 分类号 |
B01D57/00;B65D63/00;C07B63/02;C10G73/24;(IPC1-7):C07B21/00 |
主分类号 |
B01D57/00 |
| 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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