Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120836 | Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes | Choong Hoon Lee, Eun Jung Lee, Jung Ah Lee, Bo Ram Lee, Bun Yeoul Lee | 2015-09-01 |
| 8946362 | Process for preparation of olefin polymers | Don-Ho Kum, Eun Jung Lee, Dong-Kyu Park, Choong Hoon Lee, Jong-Joo Ha +2 more | 2015-02-03 |
| 8759466 | Long chain-branched ethylene-alpha olefin copolymer | Choong Hoon Lee, Byung-Kwon Lim, Eun Jung Lee, Jong-Joo Ha, Jung Ah Lee +3 more | 2014-06-24 |
| 8748547 | Ethylene α-olefin copolymer | Dong-Kyu Park, Byung-Kwon Lim, Jong-Joo Ha, Don-Ho Kum, Yang-Kee Kim +1 more | 2014-06-10 |
| 8742049 | Long chain-branched ethylene-alpha olefin copolymer | Choong Hoon Lee, Byung-Kwon Lim, Eun Jung Lee, Jong-Joo Ha, Jung Ah Lee +3 more | 2014-06-03 |
| 8513369 | Long chain-branched ethylene-alpha olefin copolymer | Choong Hoon Lee, Byung-Kwon Lim, Eun Jung Lee, Jong-Joo Ha, Jung Ah Lee +3 more | 2013-08-20 |
| 7972987 | Fourth group transition metal compound having cyclopentadienyl ligand, method of preparing compound, and method of preparing olefin polymer using compound | Jung Ah Lee, Bo Ram Lee, Eun Jung Lee, Choong Hoon Lee | 2011-07-05 |
| 7932207 | Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes | Choong Hoon Lee, Eun Jung Lee, Jung Ah Lee, Bo Ram Lee, Bun Yeoul Lee | 2011-04-26 |
| 7915360 | Supported catalyst for olefin polymerization using transition metal compound having phenylene-bridge, method for preparing the same, and method for preparing polyolefin using the same | Dae Sik Hong, Ki Soo Lee, Yong Gyu Han, Heon Yong Kwon, Jong-Sang Park +5 more | 2011-03-29 |
| 7807762 | Catalyst composition comprising Group 4 transition metal complexes and method for preparing polyolefins using the same | Choong Hoon Lee, Eun Jung Lee, Jung Ah Lee, Bo Ram Lee, Bun Yeoul Lee | 2010-10-05 |
| 7678933 | Transition metal complexes and preparation methods thereof | Choong Hoon Lee, Eun Jung Lee, Jung Ah Lee, Bo Ram Lee, Bun Yeoul Lee | 2010-03-16 |
| 7629481 | Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same | Choong Hoon Lee, Jong-Joo Ha, Eunjung Lee, Beomdoo Seo, Young-Whan Park +4 more | 2009-12-08 |