| 发明名称 |
Storage of phosphoniumphenolate catalysts and their use as catalysts for transesterification |
| 摘要 |
A melt transesterification catalyst is prepared by obtaining a phenol adduct of phosphonium phenolate in the form of crystalline solid, and storing the solid in the closed container at relative humidity of 30-70%, and temperature of -30 to 50degreesC.
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| 申请公布号 |
EP1352909(A1) |
申请公布日期 |
2003.10.15 |
| 申请号 |
EP20030006819 |
申请日期 |
2003.03.27 |
| 申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
MOETHRATH, MELANIE DR.;HUCKS, UWE;KRATSCHMER, SILKE DR.;RECHNER, JOHANN DR. |
| 分类号 |
B01J31/02;C07F9/54;C08G64/30;(IPC1-7):C07F9/54 |
主分类号 |
B01J31/02 |
| 代理机构 |
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