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
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