Wim Dorrepaal

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Bodegraven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for the flotation of ores
- Patent number 4,200,522
- Issue date Apr 29, 1980
- Chem-Y, Fabriek van Chemische Produkten B.V.
- Wim Dorrepaal
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the flotation of ores and collector for use in this pro...
- Patent number 4,171,261
- Issue date Oct 16, 1979
- Chem-Y, Fabriek van Chemische Produkten B.V.
- Wim Dorrepaal
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Flotation process for fluoride minerals
- Patent number 4,157,296
- Issue date Jun 5, 1979
- Chem-Y Fabriek van Chemische Produkten B.V.
- Wim Dorrepaal
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...