Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987667 | High-viscosity biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and method of preparing the same | Do-Young Kim, Hyun Sik Yang, Yu-Hyun Kim, Ki Yup Kim, Joo Hyun Nam +4 more | 2024-05-21 |
| 11725069 | Method for producing polypropylene | Hyo Seung Park, Hyeong Min KIM, Sung Jae Na, So Young Shim | 2023-08-15 |
| 10961389 | Biodegradable polymer resin composition and molded article thereof | Kwang Hyun PAEK, Yong Taek Hwang | 2021-03-30 |
| 10793671 | Aliphatic polycarbonate macropolyol and aliphatic polycarbonate-coaromatic polyester macropolyol | Bun Yeoul Lee, Jong Yeob Jeon, Jung Jae Lee, Eun Yeong Hwang | 2020-10-06 |
| 9475905 | High-molecular weight aliphatic polycarbonate prepared using base catalyst | Bun Yeoul Lee, Jong Yeob Jeon, Jung Jae Lee, Young Eun Jang | 2016-10-25 |
| 9447234 | High molecular weight aliphatic polycarbonate copolymer and preparation method thereof | Bun Yeoul Lee, Jong Yeob Jeon, Jung Jae Lee | 2016-09-20 |
| 9096575 | Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same | Bun Yeoul Lee, Seung-Hyun Do | 2015-08-04 |
| 9062025 | Supported catalyst for olefin polymerization and preparation method for polyolefin using the same | Bun Yeoul Lee, Seung-Hyun Do, Young-Kook Kim, Hwa-Kyu Kim, In-Sung Nam +1 more | 2015-06-23 |
| 8916662 | Method for preparing olefin-diene copolymer using transition metal compound containing thiophene-fused cyclopentadienyl ligand | Bun Yeoul Lee, 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 | Bun Yeoul Lee, Seung-Hyun Do | 2014-12-16 |
| 8889804 | Method for preparing polypropylene using transition metal compound containing thiophene-fused cyclopentadienyl ligand | Bun Yeoul Lee, Seung-Hyun Do, Hwa-Kyu Kim, Jae Young Park, Seung Woong Yoon | 2014-11-18 |
| 8889581 | Catalyst composition for olefin polymerization and preparation method for polyolefin using the same | Bun Yeoul Lee, Seung-Hyun Do, Young-Kook Kim, In-Sung Nam, Seung Woong Yoon | 2014-11-18 |
| 8741251 | Granular mesoporous silica and preparation method thereof | Heechul Choi, Yo Han Kim, Jiyeol Bae, Jeong Kwon Suh | 2014-06-03 |
| 8455393 | Preparation method for granular carbon mesoporous structure | Heechul Choi, Yo Han Kim, Jiyeol Bae, Hosik PARK | 2013-06-04 |