| 申请日期 | 2025-07-18 | 申请号 | CA2411930 |
| 公开（公告）号 | CA2411930C | 公开（公告）日 | 2011-08-09 |
| 公开国别 | CA | 申请人省市代码 | 全国 |
| 申请人 | BAYER AKTIENGESELLSCHAFT | ||
| 简介 | The present invention relates to the use of rare earth metals and/or compounds thereof, metals of sub-group III of the Period Table of the elements and/or compounds thereof as catalysts for the preparation of aliphatic oligocarbonate polyols by transesterification of organic carbonates with aliphatic polyols. | ||
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