Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800216 | Refrigerant composition for replacing chlorodifluoromethane | Jong-Sung Lim, Hoon Kim, Chang-Nyeon Kim | 2004-10-05 |
| 6776922 | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1-difluoroethane | Jong-Sung Lim, Sang Deuk Lee, Chang-Nyeon Kim | 2004-08-17 |
| 6706771 | Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same | Hoon Kim, Yong Soo Kang, Hyun Joo Lee, Jae Hee Ryu | 2004-03-16 |
| 6692653 | Refrigerant composition | Jong-Sung Lim, Hong Gon Kim, Chang-Nyeon Kim | 2004-02-17 |