| 发明名称 |
Process for cleaning production plants for polyester polyols |
| 摘要 |
The present invention relates to a process for cleaning multi-product production plants for polyester polyols with a cleaning polyol. The cleaning polyol can be used as a raw material in the production of further polyols.
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| 申请公布号 |
US7091304(B2) |
申请公布日期 |
2006.08.15 |
| 申请号 |
US20040005704 |
申请日期 |
2004.12.07 |
| 申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
NEFZGER HARTMUT;KLEIN GERHARD;MICHELS ERHARD;BODDENBERG ULRICH |
| 分类号 |
C08G63/02;B08B9/00;B08B9/02;B08B9/08;B29C33/72;B29C47/08;B29C67/24;C08F2/00;C11D3/20;C11D11/00 |
主分类号 |
C08G63/02 |
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