Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879645 | Method for removing nitrogen oxides in exhaust gas by selective catalytic reduction and catalyst for reduction of nitrogen oxides | Sang-Eon Park, Gyung-Mi Kim, Yun Jo Lee, Jong-San Chang | 1999-03-09 |