Volker Pfahlert

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Nuremberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
6-oxo-pyridazine derivatives, a process for their preparation and m...
- Patent number 4,968,683
- Issue date Nov 6, 1990
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzimidazoles, and pharmaceutical preparations containing these co...
- Patent number 4,957,920
- Issue date Sep 18, 1990
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine substituted 6-phenyldihydro-3(2H)-pyridazinones, and pha...
- Patent number 4,954,501
- Issue date Sep 4, 1990
- Heumann Pharma GmbH & Co.
- Rolf Herter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Guanidine carboxylic acid esters and pharmaceutical preparations co...
- Patent number 4,948,802
- Issue date Aug 14, 1990
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydropyridazinone derivatives, a process for their preparation an...
- Patent number 4,921,856
- Issue date May 1, 1990
- Heumann Pharma GmbH & Company
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY