Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013800 | Solid catalyst for preparing nitriles and its preparation | Young Kil Lee, Chae-Ho Shin, Tae Sun Chang, Deug-Hee Cho | 2000-01-11 |
| 5786478 | Process for preparing cyanopyrazine | Young Kil Lee, Chae-Ho Shin, Tae Sun Chang, Deug-Hee Cho | 1998-07-28 |