Klaus Steiner

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Pulheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparation of 8-hydroxyoctanoic acid
- Patent number 5,248,798
- Issue date Sep 28, 1993
- Natterman, A. & Cie. GmbH
- Bernd R. Gunther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ebselen in highly pure form
- Patent number 5,008,394
- Issue date Apr 16, 1991
- A. Nattermann & Cie, GmbH
- Bernd-Rainer Gunther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing imidazolylthiophenaldehydes
- Patent number 4,720,550
- Issue date Jan 19, 1988
- A. Nattermann & Cie. GmbH
- Bernd-Rainer Gunther
- C07 - ORGANIC CHEMISTRY