Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602818 | Method for preparing a catalyst for selective catalytic reduction of nitrogen oxides | Sang Ho Lee, Choul Woo SHIN, Jun-Seong Ahn | 2003-08-05 |
| 6248230 | Method for manufacturing cleaner fuels | Wha-Sik Min, Sin-Young Khang, Dong-Soon Min, Jae Wook Ryu, Kwan-Sik Yoo +1 more | 2001-06-19 |