Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800216 | Refrigerant composition for replacing chlorodifluoromethane | Byung Gwon Lee, Jong-Sung Lim, Chang-Nyeon Kim | 2004-10-05 |
| 6706771 | Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same | Yong Soo Kang, Byung Gwon Lee, Hyun Joo Lee, Jae Hee Ryu | 2004-03-16 |