Jacques Becuwe

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Fontenay-sous-Bois, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of separating chlorinated aliphatic hydrocarbons from mixtur...
- Patent number 4,121,978
- Issue date Oct 24, 1978
- Rhone-Progil
- Jacques Becuwe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of alkali metal polyphosphates
- Patent number 3,993,734
- Issue date Nov 23, 1976
- Rhone-Progil
- Jean-Michel Verdier
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of condensing phthalic anhydride
- Patent number 3,952,022
- Issue date Apr 20, 1976
- Rhone-Progil
- Jacques Becuwe
- C07 - ORGANIC CHEMISTRY