Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831121 | Trimethylolpropane ester-based plasticizer composition for polyvinyl chloride resin | Kyu Il Lee, Hyun Kyu Kim | 2004-12-14 |
| 6703436 | Neopentylglycol ester based plasticizer composition for polyvinyl chloride resin and method of process thereof | Kyu Il Lee, Hyun Kyu Kim | 2004-03-09 |