Walter Von Drathen

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Louisville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Flotation process for improving recovery of phosphates from ores
- Patent number 4,227,996
- Issue date Oct 14, 1980
- Celanese Corporation
- Nathan M. Levine
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Desliming of potash ores
- Patent number 4,198,288
- Issue date Apr 15, 1980
- Celanese Polymer Specialties Company
- Nathan M. Levine
- C01 - INORGANIC CHEMISTRY