Peter H. H. Hermkens

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Weesp, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing N-oxo-tetrahydro-.beta.-carbolines
- Patent number 5,348,949
- Issue date Sep 20, 1994
- Duphar International Research B.V.
- Peter H. H. Hermkens
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing n-oxo-tetrahydro-beta-carbolines
- Patent number 5,106,840
- Issue date Apr 21, 1992
- Duphar International Research B.V.
- Peter H. H. Hermkens
- C07 - ORGANIC CHEMISTRY