Ernst-Friedrich Neeb

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for reactivating ammoxidation catalysts
- Patent number 5,378,668
- Issue date Jan 3, 1995
- EC Erdolchemie GmbH
- Brigitte Beuke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of ammonium sulphate from tarrich waste str...
- Patent number 5,141,732
- Issue date Aug 25, 1992
- EC Erdolchemie GmbH
- Hans-Jurgen Haardt
- C07 - ORGANIC CHEMISTRY