Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |