Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365748 | Polyethylene and chlorinated polyethylene thereof | Hyo Min Kim, Si Jung Lee, Sunghyun Park, Naeun LEE | 2025-07-22 |
| 12304976 | Polyethylene and chlorinated polyethylene thereof | Cheolhwan Jeong, Si Jung Lee, Sunghyun Park, Sun Mi Kim, Yi Young Choi | 2025-05-20 |
| 12091477 | Ethylene/1-hexene copolymer having excellent long-term physical properties and processability | Joongsoo Kim, Changsub Kim, Jinyoung Kwak, Jaeyoung Cho, Daesik Hong | 2024-09-17 |
| 12006378 | Polyethylene and its chlorinated polyethylene | Cheolhwan Jeong, Si Jung Lee, Sun Mi Kim, Ue Ryung Seo, Yi Young Choi | 2024-06-11 |
| 11993665 | Hybrid supported catalyst and method of preparing polyolefin using the same | Sun Mi Kim, Ue Ryung Seo, Eun Kyoung Song, Daesik Hong, Si Jung Lee +2 more | 2024-05-28 |
| 11905345 | Polyethylene and chlorinated polyethylene thereof | Si Jung Lee, Sun Mi Kim, Cheolhwan Jeong, Yi Young Choi, Sunghyun Park | 2024-02-20 |
| 11834528 | Polyethylene and chlorinated polyethylene thereof | Si Jung Lee, Sunghyun Park, Sun Mi Kim, Yi Young Choi, Cheolhwan Jeong +1 more | 2023-12-05 |
| 11702488 | Polyethylene and chlorinated polyethylene thereof | Sunghyun Park, Si Jung Lee, Yi Young Choi, Myunghan Lee | 2023-07-18 |
| 11643483 | Polyethylene and chlorinated polyethylene thereof | Si Jung Lee, Sunghyun Park, Sun Mi Kim, Yi Young Choi, Cheolhwan Jeong +1 more | 2023-05-09 |
| 11560441 | Method for preparing polyolefin using supported hybrid metallocene catalyst | Jin Young Park, Si Jung Lee, Yi Young Choi, Soung Hun Yoo, Sunghyun Park +2 more | 2023-01-24 |
| 11292165 | Method for selecting material of injection-molded article and method for manufacturing injection-molded article | Hyun Sup Lee, Soon Ho Sun, Yi Young Choi, Ki Soo Lee, Sung Hyun Park +2 more | 2022-04-05 |
| 11091568 | Hybrid supported metallocene catalyst and polyolefin preparation method using same | Eun Kyoung Song, Hyuck Ju Kwon, Yi Young Choi, Kyung Jin Cho, Joong Soo Kim +1 more | 2021-08-17 |
| 10815324 | Ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance | Soon Ho Sun, Yo Han Bae, Hyeong Il Lee, Yi Young Choi, Sung Min Lee +2 more | 2020-10-27 |
| 10793651 | Polyethylene resin having excellent impact strength | Kyung Jin Cho, Chang Woan Han, Soon Ho Sun, Sun Mi Kim, Yi Young Choi +1 more | 2020-10-06 |
| 10774163 | Ethylene/1-hexene copolymer having excellent processability and mechanical properties | Sung Min Lee, Yi Young Choi, Soon Ho Sun, Sun Mi Kim, Jin Young Park +1 more | 2020-09-15 |
| 10766988 | Ethylene/alpha-olefin copolymer having excellent processibility | Soon Ho Sun, Yi Young Choi, Ki Soo Lee, Sung Hyun Park, Myung Han Lee +3 more | 2020-09-08 |
| 10704997 | Method for evaluating properties of plastic resin product | Sung Hyun Park, Hyun Sup Lee, Yi Young Choi, Myung Han Lee, Soon Ho Sun | 2020-07-07 |
| 10669363 | Catalyst composition for synthesizing olefin copolymer and method for preparing olefin copolymer | Jin Young Park, Yi Young Choi, Sung Min Lee, Soon Ho Sun, Sun Mi Kim | 2020-06-02 |
| 10604596 | Metallocene supported catalyst and method for preparing polyolefin using the same | Kyung Jin Cho, Ki Soo Lee, Sung Min Lee, Min-Seok Cho, Se Young Kim +1 more | 2020-03-31 |
| 10544247 | Supported hybrid metallocene catalyst, and method for preparing polyolefin using the same | Sun Mi Kim, Yi Young Choi, Ki Soo Lee, Sung Min Lee, Soon Ho Sun +1 more | 2020-01-28 |
| 10450390 | Metallocene compound, metallocene-supported catalyst, and method of preparing polyolefin using the same | Sung Min Lee, Kyung Jin Cho, Se Young Kim, Chang Woan Han, Ki Soo Lee +1 more | 2019-10-22 |
| 10385146 | Metallocene compound | Kyung Jin Cho, Ki Soo Lee, Sung Min Lee, Min-Seok Cho, Se Young Kim +1 more | 2019-08-20 |
| 9994652 | Metallocene compound, catalyst composition including the same, and method of preparing polyolefin using the same | Jin Young Park, Yong Ho Lee, Kyung Jin Cho, Ki Soo Lee, Min-Seok Cho +5 more | 2018-06-12 |
| 9963527 | Transition metal compound, catalyst composition comprising the same, and method of preparing polyolefin | Yong Ho Lee, Chang Woan Han, Yi Young Choi, Ki Soo Lee | 2018-05-08 |
| 9850326 | Ligand compound, metallocene compound, and method for preparation of olefin-based polymer using the same | Yong Ho Lee, Chang Woan Han, Yi Young Choi, Ki Soo Lee | 2017-12-26 |