Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989571 | Method for producing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for producing the norbornene polymer | Sung-Ho Chun, Won-Kook Kim, Tae-Sun Lim, Heon Kim, Kyoung-Hoon Kim +3 more | 2011-08-02 |
| 7989570 | Catalyst system for preparing cyclic olefin addition polymer, cyclic olefin addition polymer prepared by using the catalyst system and method for preparing the same | Sung-Ho Chun, Won-Kook Kim, Tae-Sun Lim, Heon Kim, Kyoung-Hoon Kim | 2011-08-02 |
| 7964680 | Method for polymerizing cyclic olefin having polar functional group, olefin polymer produced thereby, optical anisotropic film comprising the same, and catalyst composition for polymerizing the cyclic olefin | Dai-Seung Choi, Young-Whan Park, Sung-Ho Chun, Young-Chul Won | 2011-06-21 |
| 7947803 | Apparatus and method for recovering polymer | Sung-Don Hong, In Su Lee, Jong Ku Lee, Sung-Ho Chun, Seung Young Park | 2011-05-24 |
| 7897720 | Method for removing catalyst residues from polymer solution and polymers purified by the method | Hye-Young Jung, Sung-Ho Chun | 2011-03-01 |
| 7868105 | Polymerization methods using the catalysts | Young Keun Chung, Il Gu Jung, Sung-Ho Chun, Young-Whan Park, Dai-Seung Choi +2 more | 2011-01-11 |
| 7863214 | Catalysts for polymerizing cyclic olefin | Young Keun Chung, Il Gu Jung, Sung-Ho Chun, Young-Whan Park, TaeSun Lim +2 more | 2011-01-04 |