Doo C. Na

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Kyungnam, KR

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for lithium hexafluoro phosphate
- Patent number 6,387,340
- Issue date May 14, 2002
- Ulsan Chemical Co., Ltd.
- Doo-Chan Na
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacturing method for perfluoroethane
- Patent number 6,162,955
- Issue date Dec 19, 2000
- Ulsan Chemical Co., Ltd.
- Doo-Chan Na
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of difluoromethane
- Patent number 5,495,057
- Issue date Feb 27, 1996
- Ulsan Chemical Co., Ltd.
- Kyung H. Nam
- C07 - ORGANIC CHEMISTRY