Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806315 | Method for preparing of weatherability thermoplastic resin | Yang-Hyun Shin, Tae Bin Ahn, Chan-Hong Lee | 2004-10-19 |
| 6774182 | Process for preparing thermoplastic resin having superior heat-stability | Dong Sung KIM, Chan-Hong Lee | 2004-08-10 |