Ernst Wressnegger

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of alkylated N- or amino, ammonium or spirobicyclic amm...
- Patent number 7,105,631
- Issue date Sep 12, 2006
- DSM Fine Chemicals Austria Nfg GmbH & Co KG
- Michael Stanek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing substituted pyridine-carboxylic acids
- Patent number 6,346,623
- Issue date Feb 12, 2002
- DSM Fine Chemicals Austria Nfg GmbH & CoKG
- Gerhard Steinbauer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Preparation of alkylated N- or amino, ammonium or spirobicyclic amm...
- Publication number 20040039086
- Publication date Feb 26, 2004
- Michael Stanek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...