| 发明名称 |
PREPARATION OF GUANIDINES AND THEIR SALTS |
| 摘要 |
<p>PURPOSE:To separate guanidines by an ion exchange method from the process liquid obtained in the production process of urea from NH3 and CO2 under high temperature and high pressure.</p> |
| 申请公布号 |
JPS53124220(A) |
申请公布日期 |
1978.10.30 |
| 申请号 |
JP19770038093 |
申请日期 |
1977.04.05 |
| 申请人 |
MITSUI TOATSU CHEMICALS |
发明人 |
ONO HIROSHI;INOUE SHIGERU |
| 分类号 |
C07C67/00;C07C239/00;C07C273/04;C07C273/16;C07C279/02 |
主分类号 |
C07C67/00 |
| 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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