Frederic Couffin

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Montgeron, FR

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Patents Grantslast 30 patents

Information Patent Grant
Anhydrous sodium tripolyphosphate
- Patent number 4,671,948
- Issue date Jun 9, 1987
- Rhone-Poulenc Chimie de Base
- Frederic Couffin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Novel anhydrous sodium tripolyphosphate
- Patent number 4,671,949
- Issue date Jun 9, 1987
- Rhone-Poulenc Industries
- Jean-Paul Bourgeois
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Novel sodium orthophosphate
- Patent number 4,671,947
- Issue date Jun 9, 1987
- Rhone-Poulenc Industries
- Jean-Paul Bourgeois
- C01 - INORGANIC CHEMISTRY