Dieter Stein

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the continuous recovery of free tartaric acid from raw...
- Patent number 7,311,837
- Issue date Dec 25, 2007
- Lurgi AG
- Dieter Stein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing tartaric acid from a raw material containing...
- Patent number 6,534,678
- Issue date Mar 18, 2003
- Metallgesellschaft Aktiengesellschaft
- Rudolf Bönsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of removing encrustations in evaporation plants
- Patent number 5,964,982
- Issue date Oct 12, 1999
- Metallgesellschaft Aktiengesellschaft
- Gunter Roller
- B08 - CLEANING
Information Patent Grant
Process for preparing low iron ammonium alum
- Patent number 5,470,444
- Issue date Nov 28, 1995
- Metallgesellschaft Aktiengesellschaft
- Ingo F. Litzenberger
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the continuous recovery of free tartaric acid from raw...
- Publication number 20040232078
- Publication date Nov 25, 2004
- Dieter Stein
- C07 - ORGANIC CHEMISTRY