Ulrich Walter

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Idstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for concentrating waste sulphuric acids from nitr...
- Patent number 7,988,942
- Issue date Aug 2, 2011
- DE Dietrich Process Systems GmbH
- Ulrich Walter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Column tray
- Patent number 7,234,692
- Issue date Jun 26, 2007
- QVF Engineering GmbH
- Gottfried Dichtl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing concentrated nitric acid and installation for...
- Patent number 6,969,446
- Issue date Nov 29, 2005
- QVF Engineering GmbH
- Gottfried Dichtl
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONCENTRATING WASTE SULPHURIC ACIDS FROM NITR...
- Publication number 20100233069
- Publication date Sep 16, 2010
- QVF ENGINEERING GMBH
- Ulrich Walter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL