Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815567 | Derivatives of 4-sulfanylalkyl-3,5-dinitrobenzyl alcohol and method for preparing the same | Hyoyoung Lee, Mun Seok Jeong, Sung-Yool Choi | 2004-11-09 |
| 6805976 | Organic electroluminescent device and preparation thereof | Lee-Mi Do, Jeong Ik Lee, Hye Yong Chu, Seong Hyun Kim, Hyo Young Lee +3 more | 2004-10-19 |