Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8551226 | Exhaust gas treating system using polymer membrane for carbon dioxide capture process | Hyung-Keun Lee, Won-Kil Choi | 2013-10-08 |
| 8496895 | Exhaust gas treating apparatus and treating method for carbon dioxide capture process | Hyung-Keun Lee, Won-Kil Choi, Chang-Keun Yi, Sung-Ho Jo, Young Cheol Park | 2013-07-30 |
| 7455820 | Process for removing sulfur dioxide and nitrogen oxides from flue gas using chlorine dioxide | Hyung-Keun Lee, Won-Kil Choi, Dong-Seop Jin, Bal Raj Deshwal | 2008-11-25 |