| 发明名称 |
Process for the preparation of N-aryl di- or polyurethanes |
| 摘要 |
A method for the production of N-aryl substituted di- and polyurethanes in high yield, by the reaction of an aromatic di- or polyamine with urea and alcohol at high temperatures. The di- and polyurethanes thus produced have utility as isocyanate precursors.
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| 申请公布号 |
US4611079(A) |
申请公布日期 |
1986.09.09 |
| 申请号 |
US19840619562 |
申请日期 |
1984.06.11 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
MERGER, FRANZ;TOWAE, FRIEDRICH |
| 分类号 |
B01J27/10;B01J31/04;C07B61/00;C07C67/00;C07C239/00;C07C269/00;C07C269/04;C07C271/06;C07C271/28;C07C271/30;(IPC1-7):C07C125/073;C07C125/077 |
主分类号 |
B01J27/10 |
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