Uwe Lenz

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Frechen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing ferrous sulphate in granule form
- Patent number 4,659,557
- Issue date Apr 21, 1987
- Rheinische Braunkohlenwerke AG.
- Uwe Lenz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for treating red mud
- Patent number 4,464,479
- Issue date Aug 7, 1984
- Rheinische Braunkohlenwerke AG
- Gunter Ritter
- C01 - INORGANIC CHEMISTRY