Jae Hoon Joo

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Ulsan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing aqueous solution containing nickel or cobalt
- Patent number 11,926,882
- Issue date Mar 12, 2024
- KOREA ZINC CO., LTD.
- Heon Sik Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE
- Publication number 20240368729
- Publication date Nov 7, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...
- Publication number 20240286921
- Publication date Aug 29, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...
- Publication number 20240228321
- Publication date Jul 11, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C01 - INORGANIC CHEMISTRY