Louis Winand

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Bourgachard, FR

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Patents Grantslast 30 patents

Information Patent Grant
Purification of wet-process phosphoric acid
- Patent number 4,769,226
- Issue date Sep 6, 1988
- Rhone-Poulenc Chimie de Base
- Louis Winand
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Decolorization and purification of crude wet-process phosphoric acid
- Patent number 4,330,516
- Issue date May 18, 1982
- Rhone-Poulenc Industries
- Louis Winand
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining a desulfated phosphoric acid for use in foods...
- Patent number 4,263,265
- Issue date Apr 21, 1981
- Rhone-Poulenc Industries
- Louis Winand
- C01 - INORGANIC CHEMISTRY