Iliya Vassilev Ognyanov

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Sofia, BG

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of dihydroartemisinin hemisuccinate
- Patent number 5,654,446
- Issue date Aug 5, 1997
- Mepha AG
- Iliya Vassilev Ognyanov
- C07 - ORGANIC CHEMISTRY