Joo Kim

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Pointe-Claire, CA

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Patents Grantslast 30 patents

Information Patent Grant
Production of zinc oxide from acid soluble ore using precipitation...
- Patent number 6,726,889
- Issue date Apr 27, 2004
- Noranda, Inc.
- Yeonuk Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Production of zinc oxide from acid soluble ore using precipitation...
- Publication number 20030031611
- Publication date Feb 13, 2003
- Yeonuk Choi
- C01 - INORGANIC CHEMISTRY