Evan E. Costakis

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Paraskevi Attikis, GR

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing spiro derivatives
- Patent number 4,377,689
- Issue date Mar 22, 1983
- Etablissements Nativelle S.A.
- Georges Tsatsas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spiro derivatives, process for their preparation and medications co...
- Patent number 4,371,538
- Issue date Feb 1, 1983
- Etablissements Nativelle S.A.
- Georges Tsatsas
- C07 - ORGANIC CHEMISTRY