Karl-Heinz Rützel

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Hurth, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of anhydrous sodium sulfide
- Patent number 6,503,474
- Issue date Jan 7, 2003
- Degussa AG
- Robert Magiera
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of organosilylalkylpolysulfanes
- Patent number 6,423,859
- Issue date Jul 23, 2002
- Degussa AG
- Alfred Alig
- C07 - ORGANIC CHEMISTRY