| 发明名称 |
Process for the preparation of isocyanates containing uretdione groups by using imidazole group containing polymeric catalysts |
| 摘要 |
In a process for the preparation of polyisocyanates containing uretdione groups by catalytic dimerization of monomeric isocyanates, the catalysts employed are polymers carrying imidazole groups.
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| 申请公布号 |
US5484916(A) |
申请公布日期 |
1996.01.16 |
| 申请号 |
US19930059050 |
申请日期 |
1993.05.10 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
BRUCHMANN, BERND;MINGES, ROLAND;SCHADE, CHRISTIAN |
| 分类号 |
B01J31/06;C07B61/00;C07C263/16;C07C265/14;C07D229/00;C08G18/79;(IPC1-7):C07D229/00 |
主分类号 |
B01J31/06 |
| 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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