Klaus Prezewowsky

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
7-Hydroxyestradiols
- Patent number 4,011,314
- Issue date Mar 8, 1977
- Schering Aktiengesellschaft
- Karl Petzoldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,17,18-Trihydroxy-1,3,5(10)-estratrienes
- Patent number 3,960,841
- Issue date Jun 1, 1976
- Schering Aktiengesellschaft
- Klaus Engel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Oxygenated-8.alpha.-estratrienes
- Patent number 3,951,958
- Issue date Apr 20, 1976
- Schering Aktiengesellschaft
- Klaus Prezewowsky
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Oxygenated 8.alpha.-estratrienes
- Patent number 3,951,959
- Issue date Apr 20, 1976
- Schering Aktiengesellschaft
- Klaus Prezewowsky
- C07 - ORGANIC CHEMISTRY