Helmut Wagner

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Patents Grantslast 30 patents

Information Patent Grant
Precipitation process of 7-aminocephalosporanic acid (7-ACA)
- Patent number 6,518,420
- Issue date Feb 11, 2003
- Biochemie Gesellschaft m.b.H.
- Petr Nadenik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of a salt of clavulanic acid
- Patent number 6,133,441
- Issue date Oct 17, 2000
- BIOCHEMIE Gesellschaft m.b.H.
- Helmut Wagner
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Precipitation process of 7-aminocephalosporanic acid (7-ACA)
- Publication number 20020086992
- Publication date Jul 4, 2002
- Petr Nadenik
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Purification of fermented clavulanic acid
- Publication number 20010029038
- Publication date Oct 11, 2001
- Harald Summer
- C07 - ORGANIC CHEMISTRY