Peter Jansen deceased

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late of Eschweiler, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing the enantiomers of O-dimethyltramadol
- Patent number 5,728,885
- Issue date Mar 17, 1998
- Gruenenthal GmbH
- Helmut Buschmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of separating the racemate of tramadol
- Patent number 5,723,668
- Issue date Mar 3, 1998
- Gruenenthal GmbH
- Helmut Buschmann
- C07 - ORGANIC CHEMISTRY