Kwang-Chul Hyun

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining nitrogen trifluoride gas using alkali earth me...
- Patent number 7,842,125
- Issue date Nov 30, 2010
- Hyosung Corporation
- Yong-Chul Park
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for refining nitrogen trifluoride gas using alkali earth me...
- Patent number 7,637,986
- Issue date Dec 29, 2009
- Hyosung Corporation
- Yong-Chul Park
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Process For Refining Nitrogen Trifluoride Gas Using Alkali Earth Me...
- Publication number 20080087166
- Publication date Apr 17, 2008
- HYOSUNG CORPORATION
- Yong-Chul Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL