Gerd Toppel

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Odenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pharmaceutical preparations having controlled release of active com...
- Patent number 5,900,425
- Issue date May 4, 1999
- Bayer Aktiengesellschaft
- Venkata-Rangarao Kanikanti
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE