Abstract
The present invention relates to a catalyst containing a vanadium-phosphorus oxide and an alkali metal, wherein the proportion by weight of alkali metal in the vanadium-phosphorus oxide is in the range from 10 to 400 ppm, based on the total weight of the vanadium-phosphorus oxide, a process for producing it and also the use of the catalyst for the gas-phase oxidation of hydrocarbons, in particular for preparing maleic anhydride.
| Original language | English |
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| Patent number | US2015283538 |
| IPC | C07D 307/ 60 A I |
| Priority date | 2/04/14 |
| Publication status | Published - 8 Oct 2015 |