Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318766 | Method for preparing cocatalyst compound using anhydrous hydrocarbon solvent | Seok Pil Sa, Eun Ji Shin, Ki Soo Lee, Jun Won Baek, Hyun Ju Lee | 2025-06-03 |
| 12187823 | Ligand compound, transition metal compound, and catalyst composition including the same | Seul Ki Im, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee, Jun Won Baek +1 more | 2025-01-07 |
| 11965051 | Symmetrical polyolefin block copolymer and preparation method therefor | Sung Dong KIM, Su Jin Gwon, Tae Hee Kim | 2024-04-23 |
| 11795321 | Method for producing block copolymer composition | Seok Pil Sa, Eun Ji Shin, Yoon Ki Hong, Hyun Mo Lee, Ki Soo Lee | 2023-10-24 |
| 11535741 | Block copolymer composition | Yoon Ki Hong, Seok Pil Sa, Hyun Mo Lee, Eun Ji Shin, Ki Soo Lee | 2022-12-27 |
| 11414541 | Block copolymer composition | Eun Ji Shin, Ki Soo Lee, Seok Pil Sa, Yoon Ki Hong | 2022-08-16 |
| 11312856 | Block copolymer composition | Hyun Mo Lee, Eun Ji Shin, Seok Pil Sa, Yoon Ki Hong, Ki Soo Lee | 2022-04-26 |
| 11292863 | Polyolefin-polystyrene multi-block copolymer, organozinc compound for preparing same, and method for preparing polyolefin-polystyrene multi-block copolymer | Seung Soo Park, Chung Sol Kim, Hyun Mo Lee, Sung Dong KIM | 2022-04-05 |
| 11148127 | Bisphosphine ligand compound, chromium compound, ethylene oligomerization catalyst system, and ethylene oligomer preparation method | Tae Hee Kim, Hee Soo PARK, Jun Won Baek, Su Jin Gwon, Sung Dong KIM | 2021-10-19 |
| 11052384 | Chrome compound, catalyst system using same, and method for preparing ethylene oligomer | Eun Ho Kim, Hyun Mo Lee | 2021-07-06 |
| 10875818 | Chromium compound, catalyst system including the same, and method for trimerizing ethylene using the catalyst system | Jong Yeob Jeon, Dong-Sik Park | 2020-12-29 |
| 10793671 | Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol | Jong Yeob Jeon, Ji Hae Park, Jung Jae Lee, Eun Yeong Hwang | 2020-10-06 |
| 10577448 | Organic zinc compound comprising polyolefin-polystyrene block copolymer, and method for preparing the same | Jong Yeob Jeon, Geun Ho Park | 2020-03-03 |
| 10442741 | Chromium compound, catalyst system including same, and method for trimerizing ethylene using the catalyst system | Jong Yeob Jeon, Dong-Sik Park | 2019-10-15 |
| 9975990 | Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof | Jung Jae Lee, Eun Yeong Hwang, Jong Yeob Jeon, Seong Chan Eo | 2018-05-22 |
| 9475905 | High-molecular weight aliphatic polycarbonate prepared using base catalyst | Ji Hae Park, Jong Yeob Jeon, Jung Jae Lee, Young Eun Jang | 2016-10-25 |
| 9447234 | High molecular weight aliphatic polycarbonate copolymer and preparation method thereof | Jong Yeob Jeon, Jung Jae Lee, Ji Hae Park | 2016-09-20 |
| 9284407 | Preparation of poly(alkylene carbonate) containing cross-linked high molecular weight chains | Ji Su Jeong, Sung Jae Na, Sujith Sudevan, Myung Ahn Ok, Yong Gyu Han +2 more | 2016-03-15 |
| 9120836 | Method for preparing transition metal complexes, transition metal complexes prepared using the method, catalyst composition containing the complexes | Choong Hoon Lee, Eun Jung Lee, Seung-Whan Jung, Jung Ah Lee, Bo Ram Lee | 2015-09-01 |
| 9115161 | Process for producing polycarbonates and a coordination complex used therefor | S. Sujith, Eun Kyung Noh, Jae Ki Min | 2015-08-25 |
| 9096575 | Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same | Ji Hae Park, Seung-Hyun Do | 2015-08-04 |
| 9062025 | Supported catalyst for olefin polymerization and preparation method for polyolefin using the same | Ji Hae Park, Seung-Hyun Do, Young-Kook Kim, Hwa-Kyu Kim, In-Sung Nam +1 more | 2015-06-23 |
| 8981026 | Cycloolefin polymer compound and method of preparing the same | Woon Sung Hwang, Jong Un Sung, Woon Jin Park, Sung Rak Joo, Eun Seok Park | 2015-03-17 |
| 8916662 | Method for preparing olefin-diene copolymer using transition metal compound containing thiophene-fused cyclopentadienyl ligand | Ji Hae Park, Seung-Hyun Do, Hwa-Kyu Kim, Jae Young Park, Seung Woong Yoon | 2014-12-23 |
| 8912352 | Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same | Ji Hae Park, Seung-Hyun Do | 2014-12-16 |