Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976386 | Method of stabilizing precursor fiber for preparing carbon fiber and method of preparing carbon fiber using the same | Jae Gil Choi, Ji Hye Shin, Su Jin Kim, Ki Hwan Kim, Il Ha Lee +1 more | 2024-05-07 |
| 11905354 | Method of preparing acrylonitrile-based copolymer for carbon fiber | Jong Gil Kim, Chang Hun Kim, Jeong Hun Cho, Hyun Min Kim, Hyo Yong KIM | 2024-02-20 |
| 11813552 | Dispersing apparatus and defoaming apparatus comprising same | Jung Kee Jang, Jeong Hun Cho, Ye Hoon Im, Young Soo Song | 2023-11-14 |
| 11535957 | Method for producing polyacrylonitrile-based fiber and polyacrylonitrile-based copolymer used therein | Jeong Kyu Lee, Chang Hun Kim, In Young Song, Jeong Hun Cho, Jong Soo DO +1 more | 2022-12-27 |
| 11427659 | Method of preparing acrylonitrile-based polymer for producing carbon fiber | Chang Hun Kim, Hyun Min Kim, Jeong Hun Cho | 2022-08-30 |
| 11286580 | Method for producing acrylonitrile-based fiber | Sang Jin Kim, Chang Hong Bak, Hye Jin Han, Ki Yeon Jo, Jeong Hun Cho | 2022-03-29 |
| 11046792 | Method of preparing (meth)acrylonitrile-based polymer for preparing carbon fiber | Jeong Hun Cho, Young Soo Song, Hyun Min Kim, Chang Hun Kim, Hyo Yong KIM | 2021-06-29 |
| 9290593 | Polyolefin and preparation method thereof | Ki Soo Lee, Yong Gyu Han, Dae Sik Hong, Heon Yong Kwon, Jong-Sang Park +1 more | 2016-03-22 |
| 9221922 | Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same | Yong Ho Lee, Man-Seong Jeon, Ki Soo Lee, Heon Yong Kwon, Min-Seok Cho +5 more | 2015-12-29 |
| 8692009 | Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same | Yong Ho Lee, Manseong Jeon, Ki Soo Lee, Heon Yong Kwon, Min-Seok Cho +5 more | 2014-04-08 |
| 8450510 | Amine bridged metallocene catalyst, method for preparing thereof and method for polymerizing ethylene-alpha olefin copolymer using amine bridged metallocene catalyst | Min-Seok Cho, Nicola Maggiarosa, Ki Soo Lee, Heon Yong Kwon, Jong-Sang Park +4 more | 2013-05-28 |
| 8431660 | Non-metallocene catalysts having tetrazol group for olefin polymerization and polymerizing method of olefin using the same | Heon Yong Kwon, Nicola Maggiarosa, Ki Soo Lee, Min-Seok Cho, Jong-Sang Park +4 more | 2013-04-30 |
| 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 |