| 发明名称 |
Polyalkylene oxide-containing urethane polyols with sulphonic acid groups |
| 摘要 |
This invention relates to urethanes which contain at least one sulphonic acid group and at least two free OH-groups and to a process for the preparation thereof.
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| 申请公布号 |
US4245110(A) |
申请公布日期 |
1981.01.13 |
| 申请号 |
US19750557202 |
申请日期 |
1975.03.10 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
ENGELHARD, HELMUT;WOLF, GERHARD D.;BENTZ, FRANCIS;NISCHK, GUENTHER |
| 分类号 |
C08G65/00;C07C67/00;C07C301/00;C07C303/20;C07C303/22;C07C303/32;C07C309/09;C08G18/08;C08G65/26;C08G65/326;C08G65/338;C08L33/20;(IPC1-7):C07C143/67;C07C143/15 |
主分类号 |
C08G65/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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