Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279251 | Lithium secondary battery comprising a super fine fibrous polymer separator film and its fabrication method | Kyung-Suk Yun, Byung Won Cho, Seong Mu Jo, Wha Seop Lee, Won Il Cho +5 more | 2007-10-09 |
| 6841087 | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1,1,2-tetrafluoroethane | Byung Gwon Lee, Jong-Sung Lim, Byoung Sung Ahn, Chang-Nyeon Kim | 2005-01-11 |
| 6592773 | Refrigerant mixture comprising difluromethane, pentafluroethane and 1,1,1-trifluoroethane | Byung Gwon Lee, Jong-Sung Lim, Moon Jo Chung, Seong Joon Cho | 2003-07-15 |
| 6566567 | Catalyst and method for producing 1,1-difluoroethane | Byoung Sung Ahn, Jung Hwan Song, Dong Ju Moon | 2003-05-20 |
| 6524495 | Refrigerant mixture comprising difluromethane, pentafluroethane and 1,1,1-trifluoroethane | Byung Gwon Lee, Jong-Sung Lim, Moon Jo Chung, Seong Joon Cho | 2003-02-25 |
| 6306349 | Catalyst characterization apparatus | Dong Ju Moon, Moon Jo Chung, Byoung Sung Ahn | 2001-10-23 |
| 6231780 | Refrigerant mixture substitute for chlorodifluoromethane | Byung Gwon Lee, Jong-Sung Lim, Byoung Sung Ahn, Sang Deuk Lee | 2001-05-15 |
| 6156909 | Preparation of alkylene carbonate using indium halides and mixtures of same with lead halides as catalyst | Hoon Kim, Jai Jun Kim, Sang Deuk Lee, Hong Gon Kim | 2000-12-05 |
| 5959166 | Method for concurrently producing different hydrofluoro carbons | Hoon Kim, Moon Jo Chung, Young Soo Kwon | 1999-09-28 |
| 5841007 | Process for manufacturing 1,1,1,2-tetrafluoroethane | Byoung Sung Ahn, Young Soo Kwon, Moon Jo Chung | 1998-11-24 |
| 5723702 | Method for removing moisture from chlorodifluoro-methane | Young Soo Kwon, Sang Deuk Lee, Honggon Kim | 1998-03-03 |
| 5716592 | Cerous chloride-chromic oxide catalyst for producing chlorine, methods for producing the same and a method for producing chlorine | Byoung Sung Ahn, Dong Ju Moon, Moon Jo Chung | 1998-02-10 |
| 5663112 | Cerous chloride-chromic oxide catalyst for producing chlorine, methods for producing the same and a method for producing chlorine | Byoung Sung Ahn, Dong Ju Moon, Moon Jo Chung | 1997-09-02 |
| 5500400 | Catalyst for producing 1,1,1,2-tetrafluoroethane and method for preparing the same | Hoon Kim, Byung Gwon Lee, Honggon Kim | 1996-03-19 |
| 5434320 | Process for preparing dichlorofluoroethane and chlorodifluoroethane | Hong Gon Kim, Hoon Kim, Young Soo Kwon | 1995-07-18 |
| 5414166 | Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethane | Hoon Kim, Byung Gwon Lee | 1995-05-09 |
| 5091602 | Process for preparing 1,1,1-trifluoro-2,2-dichloroethane | Hoon Kim | 1992-02-25 |