Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10919992 | Indene-based transition metal compound, transition metal catalyst composition comprising same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same | Yeonock Oh | 2021-02-16 |
| 10487163 | Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same | Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim, Seong Kyun Kim, Sun Young Kim +2 more | 2019-11-26 |
| 10323111 | Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same | Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim, Seong Kyun Kim, Sun Young Kim +2 more | 2019-06-18 |
| 10053481 | Transition metal compound, transition metal catalyst composition for polymerizing olefin, containing same, and method for preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin by using same | Sun Young Kim, Sang Ick Lee, Ki Nam Chung, Sung Seok Chae, YongGyu Han | 2018-08-21 |
| 9926394 | Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and alpha-olefin using the same | Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn +2 more | 2018-03-27 |
| 9394388 | Hybrid supported metallocene catalyst, method for preparing the same, and process for preparing polyolefin using the same | Ho Seong Lee, Sung Seok Chae, Kyu Cheol Cho, Seung Yeol Han, Jong Sok Hahn | 2016-07-19 |
| 9120884 | Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and α-olefin using the same | Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn +2 more | 2015-09-01 |
| 8921499 | Method of preparing ethylene-α-olefin-diene copolymer | Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn +2 more | 2014-12-30 |
| 8436113 | Ethylene alpha olefin polymer formed by use of metallocene catalyst | Hwan-Kyu Jung, Young Wook Kim, Byoung Tak Yim, Ho Seong Lee, Myung Ahn Ok +1 more | 2013-05-07 |
| 8344081 | Transition metal complexes, catalysts composition containing the same, and process for preparing ethylene homopolymers or copolymers of ethylene and alpha-olefins using the same | Jong Sok Hahn, Myung Ahn Ok, Ho Seong Lee, Sang Ook Kang, Tae Jin Kim | 2013-01-01 |
| 8067511 | Ethylene copolymer and a method of preparing the same | Daeho Shin, Choonsik Shim, Jisu Jeong, Sungseok Chae, Myungahn Ok +2 more | 2011-11-29 |
| 7847039 | Transition metal complexes, and catalysts compositions for preparing ethylene homopolymers or copolymers | Ho Seong Lee, Myung Ahn Ok, Jong Sok Hahn | 2010-12-07 |
| 7645844 | Transition metal complexes, catalyst compositions containing the same, and methods for preparing ethylene homopolymers or copolymers of ethylene and α-olefins using the same | Ho Seong Lee, Myung Ahn Ok, Jong Sok Hahn | 2010-01-12 |
| 7615289 | Organic electroluminescent polymer having 9,9-di(fluorenyl)-2,7-fluorenyl unit and organic electroluminescent device manufactured using the same | Hong You, Weon Jung Choi, Sang Soo Lee, Jae Kyu JIN, Jong Wook Kim +2 more | 2009-11-10 |
| 6808826 | Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same | Sung Han Kim, Han-sung Yu, Soon-Ki Kwon, Yun-Hi Kim, Hyun Wook LEE +1 more | 2004-10-26 |
| 6730419 | Blue light emitting compound and organic electroluminescent device employing the same as color developing substance | Geon Hee Kim, Sung Han Kim, Soon-Ki Kwon, Yun-Hi Kim, Hyung Sun Kim +1 more | 2004-05-04 |
| 6686066 | Light-emitting compound and display device adopting light-emitting compound as color-developing substance | Soon-Ki Kwon, Yun-Hi Kim, Jun Hwan Ahn, Han-sung Yu, Jung-hyun Lee | 2004-02-03 |
| 6506504 | Light-emitting compound and display device adopting light-emitting compound as color-developing substance | Soon-Ki Kwon, Yun-Hi Kim, Jun Hwan Ahn, Han-sung Yu, Jung-hyun Lee | 2003-01-14 |
| 6395411 | Display device adopting light-emitting compound as color-developing substance | Soon-Ki Kwon, Yun-Hi Kim, Han-sung Yu, Sung Woo Cho, Dong Hyun Kim +1 more | 2002-05-28 |
| 6338909 | Light-emitting compound and display device adopting light-emitting compound as color-developing substance | Soon-Ki Kwon, Yun-Hi Kim, Han-sung Yu, Seung-Han Yoo | 2002-01-15 |
| 6337150 | Light-emitting compound and display device adopting light-emitting compound as color-developing substance | Soon-Ki Kwon, Yun-Hi Kim, Jun Hwan Ahn, Han-sung Yu, Sung Hyun Cho | 2002-01-08 |
| 6312839 | Blue-light emitting compound and display device adopting the same as color developing substance | Dong Hyun Kim, Han-sung Yu, Soon-Ki Kwon, Yun-Hi Kim | 2001-11-06 |