Michel Burgard

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Strasbourg, FR

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Patents Grantslast 30 patents

Information Patent Grant
Liquid/liquid extraction/purification of impure solutions of rare e...
- Patent number 4,726,938
- Issue date Feb 23, 1988
- Rhone-Poulenc Specialites Chimiques
- Alain Rollat
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of metals from aqueous solutions with cyclic organic car...
- Patent number 4,499,057
- Issue date Feb 12, 1985
- Societe Nationale des Poudres et Explosifs
- Michel Burgard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbonates carrying cyclic carbonate groups
- Patent number 4,423,235
- Issue date Dec 27, 1983
- Societe Nationale des Poudres et Explosifs
- Michel Burgard
- C07 - ORGANIC CHEMISTRY