| 9163113 |
Cyclic olefin compound having photoreactive group and photoreactive polymer |
Dai-Seung Choi, Sung-Ho Chun, Dong Woo Yoo |
2015-10-20 |
| 8449954 |
Compound having photoreactive functional group, photoreactive polymer, and alignment film comprising the same |
Dai-Seung Choi, Sung-Ho Chun, Dong Woo Yoo |
2013-05-28 |
| 8420755 |
Compounds, catalyst composition comprising the same, and method for preparing of cycloolefin-based polymer using the same |
Sung-Ho Chun, Dai-Seung Choi, Dong Woo Yoo, Bun Yeoul Lee |
2013-04-16 |
| 8343597 |
Norbornene polymer comprising photoreactive functional group having halogen substituent group, process for preparing the same, and alignment layer using the same |
Dong Woo Yoo, Sung-Ho Chun, Dai-Seung Choi |
2013-01-01 |
| 8329840 |
Photo-reactive norbornene-based copolymer, a method of preparing the same, and an alignment layer including the same |
Dong Woo Yoo, Sung-Ho Chun, Dai-Seung Choi |
2012-12-11 |
| 8231946 |
Norbornene polymer comprising photoreactive functional group having halogen substituent group, process for preparing the same, and alignment layer using the same |
Dong Woo Yoo, Sung-Ho Chun, Dai-Seung Choi |
2012-07-31 |
| 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, Sung-Cheol Yoon |
2011-06-21 |
| 7814713 |
Catalyst system for polymerizing cyclic olefin having polar functional group, polymerizing method using the catalyst system, olefin polymer produced by the method and optical anisotropic film comprising the olefin polymer |
Sung-Cheol Yoon, Young-Whan Park, Sung-Ho Chun, Dai-Seung Choi, Won-Kook Kim +4 more |
2010-10-19 |
| 7648937 |
Catalyst system for polymerizing cyclic olefin having polar functional group, polymerizing method using the catalyst system, olefin polymer produced by the method and optical anisotropic film comprising the olefin polymer |
Sung-Cheol Yoon, Young-Whan Park, Sung-Ho Chun, Dai-Seung Choi, Won-Kook Kim +4 more |
2010-01-19 |
| 7638653 |
Method of preparing phosphonium compound for cyclic olefin polymerization |
Sungcheol Yoon, Young-Whan Park, Sung-Ho Chun, Dai-Seung Choi |
2009-12-29 |
| 7629481 |
Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same |
Choong Hoon Lee, Jong-Joo Ha, Seung-Whan Jung, Eunjung Lee, Beomdoo Seo +4 more |
2009-12-08 |
| 7244805 |
Bimetallic zinc complex and process of producing polycarbonate using the same as polymerization catalyst |
Young-Whan Park, Hyo-Sun Lee, Bun Yeoul Lee, Heon Yong Kwon, Soo Yeon Lee |
2007-07-17 |
| 7166731 |
Method of preparing fulvene compounds and method of preparing ansa-metallocene compounds using the compounds |
Young-Whan Park, Hyosun Lee, Sung-Don Hong, Kwang Ho Song, Boong-Goon Jeong +3 more |
2007-01-23 |
