发明名称 |
PROCESS FOR OXIDATION OF CYMENES TO AROMATIC ACIDS |
摘要 |
Disclosed is a process in two or more steps for oxidation of cymenes to aromatic carboxylic acids. Said process comprises a first oxidation step in gas phase with air or molecular oxygen in presence of a nitric acid, Mn(VII), permanganate, Mn(II) and/or Co(II) and/or V2O5 comprising catalyst, follwed by a second oxidation step in liquid phase in presence of a Co/Mn/Br catalyst. |
申请公布号 |
EP2961724(A1) |
申请公布日期 |
2016.01.06 |
申请号 |
EP20140756969 |
申请日期 |
2014.02.25 |
申请人 |
PERSTORP AB |
发明人 |
LUNDMARK, STEFAN;KANGAS, MATIAS;HÄGGMAN, BO |
分类号 |
C07C51/265;C07C63/04;C07C63/26 |
主分类号 |
C07C51/265 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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