Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469113 | Method for producing supported metallocene catalyst and olefin polymerization process using the same | Bun Yeoul Lee | 2002-10-22 |
| 6355742 | Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst | Bun Yeoul Lee | 2002-03-12 |
| 6340728 | Method for olefin polymerization with recycling of co-catalyst | Bun Yeoul Lee, Yoon Hyeun Oum, Tai-Ho Park | 2002-01-22 |
| 6255417 | Process for the preparation of olefinic polymers using metallocene catalyst | Tai-Ho Park, Bun Yeoul Lee, Sang Won Jeong | 2001-07-03 |
| 6214953 | Process for the preparation of olefinic polymers using supported metallocene catalyst | Tai-Ho Park, Bun Yeoul Lee | 2001-04-10 |
| 5198582 | Process for preparing symmetric N,N'-disubstituted aromatic urea | Sang Moo Lee | 1993-03-30 |