Hans-Martin Siefert

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Imidazotriazinone-containing compositions for nasal administration
- Patent number 6,740,306
- Issue date May 25, 2004
- Bayer Aktiengesellschaft
- Peter Serno
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medicament formulation with a controlled release of an active agent
- Patent number 6,270,799
- Issue date Aug 7, 2001
- Bayer Aktiengesellscahft
- Hans-Martin Siefert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Imidazotriazinone-containing compositions for nasal administration
- Publication number 20040248891
- Publication date Dec 9, 2004
- Bayer Aktiengesellschaft
- Peter Serno
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Compositions for nasal application
- Publication number 20040142944
- Publication date Jul 22, 2004
- Peter Serno
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Imidazotriazinone-containing compositions for nasal administration
- Publication number 20030022894
- Publication date Jan 30, 2003
- Peter Serno
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE