Cheol Woo Yoon

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of separating rare earth elements from rare earth polishing...
- Patent number 10,738,369
- Issue date Aug 11, 2020
- NATIONAL INSTITUTE OF ENVIRONMENTAL RESEARCH
- Namil Um
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
PRETREATMENT METHOD FOR UTILIZATION OF COAL ASH LANDFILLED IN ASH P...
- Publication number 20240189831
- Publication date Jun 13, 2024
- National Institute of Environmental Research
- Namil UM
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD OF SEPARATING RARE EARTH ELEMENTS FROM RARE EARTH POLISHING...
- Publication number 20180195146
- Publication date Jul 12, 2018
- National Institute of Environmental Research
- Namil Um
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...