Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841087 | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1,1,2-tetrafluoroethane | Byung Gwon Lee, Jong-Sung Lim, Byoung Sung Ahn, Kun You Park | 2005-01-11 |
| 6800216 | Refrigerant composition for replacing chlorodifluoromethane | Byung Gwon Lee, Jong-Sung Lim, Hoon Kim | 2004-10-05 |
| 6776922 | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane | Byung Gwon Lee, Jong-Sung Lim, Sang Deuk Lee | 2004-08-17 |
| 6692653 | Refrigerant composition | Byung Gwon Lee, Jong-Sung Lim, Hong Gon Kim | 2004-02-17 |