Bernhard Krieger

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Unna, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of 6.alpha.,9.alpha.-difluoro-11.beta.,17.al...
- Patent number 4,898,693
- Issue date Feb 6, 1990
- Schering Aktiengesellschaft
- Gerhard Hempel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-Androsten-3-ones and process for the preparation thereof
- Patent number 4,118,488
- Issue date Oct 3, 1978
- Schering Aktiengesellschaft
- Rainer Philippson
- C07 - ORGANIC CHEMISTRY