Klaus Prezewowsky

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
6.beta.,7.beta.;15,16-Dimethylene-1,4-androstadien-3-ones, their pr...
- Patent number 4,291,029
- Issue date Sep 22, 1981
- Schering, Aktiengesellschaft
- Rudolf Wiechert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Dibenzoic acid esters of 17.alpha.-ethynyl-7.alpha.-methyl-1,3,...
- Patent number 4,259,325
- Issue date Mar 31, 1981
- Schering Aktiengesellschaft (A.G.)
- Klaus Prezewowsky
- 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