Karl-Friedrich Landgraf

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Dresden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Modifications of 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonylam...
- Patent number 6,538,151
- Issue date Mar 25, 2003
- Asta Medica Aktiengesellschaft
- Peter Meisel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alpha-lipoic acid with novel modification
- Patent number 5,994,393
- Issue date Nov 30, 1999
- ASTA Medica Aktiengesellschaft
- Thomas Beisswenger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of pure flupirtine maleate and its A mo...
- Patent number 5,959,115
- Issue date Sep 28, 1999
- ASTA Medica Aktiengesellschaft
- Alfred Olbrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modifications of 2-amino-4-(4-5fluorobenzylamino)-1-ethoxycarbonyla...
- Patent number 5,914,425
- Issue date Jun 22, 1999
- ASTA Medica Aktiengesellschaft
- Peter Meisel
- C07 - ORGANIC CHEMISTRY