Wolfgang Dannenberg

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Wunstorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
2,2-Bis[4-(2,3-dibromopropoxy)-3,5-dibromophenyl]-propane process
- Patent number 4,302,614
- Issue date Nov 24, 1981
- Riedel-de Haen Aktiengesellschaft
- Wolfgang Dannenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for resolution of racemic DL-.alpha.-aminocarboxylic acids
- Patent number 4,285,884
- Issue date Aug 25, 1981
- Riedel-de Haen Aktiengesellschaft
- Wolfgang Dannenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of optically active, optionally substit...
- Patent number 4,233,456
- Issue date Nov 11, 1980
- Riedel-de Haen Aktiengesellschaft
- Horst Schmand
- C07 - ORGANIC CHEMISTRY