| 发明名称 |
Preparation of (meth)acrylic acid |
| 摘要 |
A process for preparing (meth)acrylic acid, in which a saturated hydrocarbon precursor compound is conducted through a catalyst charge which consists of two spatially successive catalyst beds I, II in the flow direction of the reaction mixture, each of which contains different catalysts and has different reaction-selectivity behavior.
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| 申请公布号 |
US2005065372(A1) |
申请公布日期 |
2005.03.24 |
| 申请号 |
US20040934624 |
申请日期 |
2004.09.07 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
BORGMEIER FRIEDER;ROSOWSKI FRANK;MARTAN HANS;MULLER-ENGEL KLAUS JOACHIM |
| 分类号 |
B01J23/00;B01J23/28;B01J23/887;B01J27/057;B01J35/00;B01J37/00;C07C51/215;(IPC1-7):C07C51/16;C07C51/235 |
主分类号 |
B01J23/00 |
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