| 发明名称 |
Three-layered or four-layered catalyst systems for producing phthalic anhydride |
| 摘要 |
Catalyst systems for preparing phthalic anhydride by means of gas-phase oxidation of o-xylene and/or naphthalene, and a process for preparing phthalic anhydride using the catalyst systems.
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| 申请公布号 |
US2006276661(A1) |
申请公布日期 |
2006.12.07 |
| 申请号 |
US20050557993 |
申请日期 |
2005.11.22 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
STORCK SEBASTIAN;ZUHIKE JURGEN;NETO SAMUEL;ROSOWSKI FRANK |
| 分类号 |
C07D307/89;B01J21/00;B01J23/00;B01J23/22;B01J27/198;B01J35/00;B01J35/10;C07C51/265;C07C51/31 |
主分类号 |
C07D307/89 |
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