Kurt Ponsold

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Patents Grantslast 30 patents

Information Patent Grant
14,15-Methylene derivatives of the estrane series and methods for p...
- Patent number 4,231,946
- Issue date Nov 4, 1980
- Veb Jenapharm
- Kurt Ponsold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gona-4,9(10)-dienes and process of producing the same
- Patent number 4,167,517
- Issue date Sep 11, 1979
- Veb Jenapharm
- Kurt Ponsold
- C07 - ORGANIC CHEMISTRY