Eva Hofferber

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pyrido(1,8)naphthyridinones, and their use as pharmaceuticals
- Patent number 4,801,590
- Issue date Jan 31, 1989
- Beiersdorf AG
- Erich Cohnen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted phenylpiperazinyl-propanols, a process for their prepar...
- Patent number 4,631,281
- Issue date Dec 23, 1986
- Beiersdorf Aktiengesellschaft
- Wolfgang Stenzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted guandines and methods of preparation thereof
- Patent number 4,318,915
- Issue date Mar 9, 1982
- Beiersdorf Aktiengesellschaft
- Erich Cohnen
- C07 - ORGANIC CHEMISTRY