发明授权
US07985705B2 Three-layered, four-layered, or five-layered catalyst systems for producing phthalic anhydride
有权
用于生产邻苯二甲酸酐的三层,四层或五层催化剂体系
- 专利标题: Three-layered, four-layered, or five-layered catalyst systems for producing phthalic anhydride
- 专利标题(中): 用于生产邻苯二甲酸酐的三层,四层或五层催化剂体系
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申请号: US12708181申请日: 2010-02-18
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公开(公告)号: US07985705B2公开(公告)日: 2011-07-26
- 发明人: Sebastian Storck , Jürgen Zühlke , Samuel Neto , Frank Rosowski
- 申请人: Sebastian Storck , Jürgen Zühlke , Samuel Neto , Frank Rosowski
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Connolly Bove Lodge & Hutz LLP
- 优先权: DE10323818 20030523
- 主分类号: B01J31/36
- IPC分类号: B01J31/36 ; C07D307/89
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.