Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924387 | Solid catalyst with core-shell catalytic phase and a method of preparation thereof | Tae Sun Chang, Dong Koo Lee, Guijia Li, Young Kil Lee | 2005-08-02 |
| 6410800 | Process for preparing acrolein | Tae Sun Chang, Dong Koo Lee | 2002-06-25 |
| 6013800 | Solid catalyst for preparing nitriles and its preparation | Young Kil Lee, Chae-Ho Shin, Tae Sun Chang, Dong-Ku Lee | 2000-01-11 |
| 5786478 | Process for preparing cyanopyrazine | Young Kil Lee, Chae-Ho Shin, Tae Sun Chang, Dong-Ku Lee | 1998-07-28 |