发明名称 |
PRODUCTION OF ETHYLENE CARBONATE |
摘要 |
PURPOSE:To readily produce ethylene carbonate from urea and ethylene glycol in a high yield. CONSTITUTION:Ethylene glycol is reacted with urea in the presence of a catalyst comprising the single body or compound of a metal selected from zinc and magnesium under vacuum. |
申请公布号 |
JPH0649056(A) |
申请公布日期 |
1994.02.22 |
申请号 |
JP19920205362 |
申请日期 |
1992.07.31 |
申请人 |
MITSUBISHI GAS CHEM CO INC |
发明人 |
DOTANI MASAHARU;OKAWA TAKASHI;KANBARA YUTAKA |
分类号 |
B01J21/10;B01J23/06;C07B61/00;C07D317/38 |
主分类号 |
B01J21/10 |
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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