| 发明名称 |
Synthesis of bisimides. |
| 摘要 |
<p>The present invention relates to a process for producing bisimides of unsaturated cyclic dianhydrides by cyclodehydration of the corresponding bisamic acid using acetic anhydride and a base component characterised in that the base component is free of amino compounds and comprises a carbonate or bicarbonate of an alkali metal or an alkaline earth metal.</p> |
| 申请公布号 |
EP0367599(A1) |
申请公布日期 |
1990.05.09 |
| 申请号 |
EP19890311339 |
申请日期 |
1989.11.02 |
| 申请人 |
BP CHEMICALS LIMITED |
发明人 |
LANCASTER, MICHAEL BP CHEM. LIMITED BARRY FACTORY |
| 分类号 |
B01J31/04;C07B61/00;C07D207/44;C07D207/448 |
主分类号 |
B01J31/04 |
| 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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