Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803340 | Catalyst for removing dioxin and preparation method thereof | Sang Ho Lee, Jun-Seong Ahn, Jong Hyun Kim | 2004-10-12 |
| 6800585 | Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same | Kyung II Choi, Sang Ho Lee, Choul Woo SHIN, Jun-Seong Ahn | 2004-10-05 |
| 6673740 | Method for preparing a catalyst for reduction of nitrogen oxides | Kyung Il Choi, Sang Ho Lee, Choul Woo SHIN, Jun-Seong Ahn, Jong Hyun Kim | 2004-01-06 |