Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127103 | Polymerizable liquid crystal compound, a liquid crystal composition comprising the compound, and an optically anisotropic body comprising the same | Kyung Chang Seo, Dai-Seung Choi, Mi Ra Hong, Hyeong Bin Jang | 2015-09-08 |
| 9127104 | Polymerizable liquid crystal compound, a liquid crystal composition comprising the compound, and an optically anisotropic body | Kyung Chang Seo, Dai-Seung Choi, Mi Ra Hong, Hyeong Bin Jang | 2015-09-08 |
| 9052548 | Photo-curable composition, optical anistropic film and its preparation method | Dai-Seung Choi, Dong Woo Yoo, Mi Ra Hong, Jeong-Yoon Han, Hyeong Bin Jang | 2015-06-09 |
| 8946366 | Cyclic olefin compound, photoreactive polymer, and alignment layer comprising the same | Dong Woo Yoo, Dai-Seung Choi, Sung Kyoung Lee | 2015-02-03 |
| RE45219 | Photoreactive polymer and process of making the same | Heon Kim, Keon Woo Lee, Sung Joon Oh, Kyungjun Kim, Jungho JO +3 more | 2014-10-28 |
| 8801978 | Biaxial-optical polynorbornene-based film and method of manufacturing the same, integrated optical compensation polarizer having the film and method of manufacturing the polarizer, and liquid crystal display panel containing the film and/or polarizer | Won-Kook Kim, Kyung Lim Paik, Belyaev Sergey, Malimonenko Nikolai | 2014-08-12 |
| 8722157 | Norbornene monomer, polynorbornene derivative, liquid crystal photoalignment film containing the same and liquid crystal display containing the same | Dai-Seung Choi, Heon Kim, Sung Joon Oh, Dong Woo Yoo, Yu-Chan Kang | 2014-05-13 |
| 8669344 | Method of deashing from polymer solutions | Hye-Young Jung, Sung-Don Hong, Jung-Min Lee, Heon Kim, Dmitry KRAVCHUK | 2014-03-11 |
| 8563764 | Catalyst composition including zirconium compounds for esterfication reaction and method for preparing ester compounds | Dai-Seung Choi, Yu-Chan Kang, Heon Kim, Dong Woo Yoo | 2013-10-22 |
| 8449954 | Compound having photoreactive functional group, photoreactive polymer, and alignment film comprising the same | Dai-Seung Choi, Young-Chul Won, Dong Woo Yoo | 2013-05-28 |
| 8440117 | Biaxial-optical polynorbornene-based film and method of manufacturing the same, integrated optical compensation polarizer having the film and method of manufacturing the polarizer, and liquid crystal display panel containing the film and/or polarizer | Won-Kook Kim, Kyung Lim Paik, Belyaev Sergey, Malimonenko Nikolai | 2013-05-14 |
| 8420755 | Compounds, catalyst composition comprising the same, and method for preparing of cycloolefin-based polymer using the same | Young-Chul Won, 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, Dai-Seung Choi, Young-Chul Won | 2013-01-01 |
| 8329841 | Photoreactive polymer and method for preparing the same | Dai-Seung Choi, Hye-Young Jung, Heon Kim, Sung-Don Hong, Dong Woo Yoo | 2012-12-11 |
| 8329840 | Photo-reactive norbornene-based copolymer, a method of preparing the same, and an alignment layer including the same | Dong Woo Yoo, Young-Chul Won, 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, Dai-Seung Choi, Young-Chul Won | 2012-07-31 |
| 8207283 | Method for preparing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for preparing the norbornene polymer | Dai-Seung Choi, Hye-Young Jung, Sung-Don Hong, Jung-Min Lee, Hee Jean Lee | 2012-06-26 |
| 8207279 | Method for preparing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for preparing the norbornene polymer | Dai-Seung Choi, Hye-Young Jung, Sung-Don Hong, Jung-Min Lee, Hee Jean Lee | 2012-06-26 |
| 8008415 | Photoreactive exo-rich norbornene polymer and method for preparing the same | Heon Kim, Hye-Young Jung, Dai-Seung Choi, Kyoung-Hoon Kim, Jong Chan Kim | 2011-08-30 |
| 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 | Won-Kook Kim, Sung-Cheol Yoon, Tae-Sun Lim, Heon Kim, Kyoung-Hoon Kim | 2011-08-02 |
| 7989571 | Method for producing norbornene monomer composition, norbornene polymer prepared therefrom, optical film comprising the norbornene polymer, and method for producing the norbornene polymer | Won-Kook Kim, Sung-Cheol Yoon, Tae-Sun Lim, Heon Kim, Kyoung-Hoon Kim +3 more | 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-Cheol Yoon, Young-Chul Won | 2011-06-21 |
| 7959989 | Cyclic olefins compounds, polymers comprising the same and liquid crystal alignment films including the polymers | Heon Kim, Hee Jin Lee, Dmitry KRAVCHUK, Kyung Jun Kim, Sang Kook Kim +7 more | 2011-06-14 |
| 7947803 | Apparatus and method for recovering polymer | Sung-Don Hong, In Su Lee, Jong Ku Lee, Seung Young Park, Sung-Cheol Yoon | 2011-05-24 |
| 7897720 | Method for removing catalyst residues from polymer solution and polymers purified by the method | Sung-Cheol Yoon, Hye-Young Jung | 2011-03-01 |