Karl-Heinz Derwenskus

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Perfluoro-n-alkylsulfonic acid derivatives
- Patent number 6,710,198
- Issue date Mar 23, 2004
- Merck Patent Gesellschaft mit beschrankter Haftung
- Andreas Wachtler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Perfluoro-n-alkylsulfonic acid derivatives
- Patent number 6,353,125
- Issue date Mar 5, 2002
- Merck Patent GmbH
- Andreas Wächtler
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Perfluoro-n-alkylsulfonic acid derivatives
- Publication number 20030191335
- Publication date Oct 9, 2003
- Merck Patent GmbH
- Andreas Wachtler
- C07 - ORGANIC CHEMISTRY