| 发明名称 |
Stable polyisocyanate copositions obtainable by phosgene-free methods and their preparation |
| 摘要 |
Stable (cyclo)aliphatic polyisocyanate compositions obtainable by phosgene-free methods, preferably by thermal cleavage of (cyclo)aliphatic polycarbamates, are stabilized with carbon dioxide, advantageously in an amount of up to 0.3% by weight. |
| 申请公布号 |
US5808138(A) |
申请公布日期 |
1998.09.15 |
| 申请号 |
US19950563883 |
申请日期 |
1995.11.21 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
LAQUA, GERHARD;BRUCHMANN, BERND;WOLFF, STEFAN |
| 分类号 |
C07C263/04;C07C263/18;C07C265/10;C07C265/14;C08G18/70;C08G18/72;C08G18/73;C08G18/75;(IPC1-7):C07C7/20 |
主分类号 |
C07C263/04 |
| 代理机构 |
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