Roland Fach

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Schermbeck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing sulphuric acid from gases containing SO3 and...
- Patent number 6,627,172
- Issue date Sep 30, 2003
- Metallgesellschaft Aktiengesellschaft
- Hartmut Wagner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing NOx from nitrosylsulphuric acid
- Patent number 6,238,639
- Issue date May 29, 2001
- Metallgesellschaft Aktiengesellschaft
- Georg Schmidt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of concentrating a dilute sulfuric acid in a three-stage fo...
- Patent number 5,228,885
- Issue date Jul 20, 1993
- Metallgesellschaft Aktiengesellschaft
- Hartmut Wagner
- C01 - INORGANIC CHEMISTRY