| 发明名称 |
METHOD FOR PRODUCING ISOCYANATES |
| 摘要 |
The invention relates to an improved multistage process for the continuous preparation of diisocyanates by reaction of the corresponding diamines with carbonic acid derivatives and alcohols to form low molecular weight monomeric urethanes and thermal dissociation of the latter. |
| 申请公布号 |
EP2462109(A1) |
申请公布日期 |
2012.06.13 |
| 申请号 |
EP20100739359 |
申请日期 |
2010.08.02 |
| 申请人 |
BASF SE |
发明人 |
GEISLER, BERNHARD;STROEFER, ECKHARD;SCHMIDT, ANDREAS;KLOETZER, MATTHIAS |
| 分类号 |
C07C263/04;C07C263/06;C07C265/14 |
主分类号 |
C07C263/04 |
| 代理机构 |
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代理人 |
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