Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371443 | Transition metal compound, catalyst composition comprising same, and method for producing olefin polymer using catalyst composition | Dongcheol Shin, Yeonock Oh, Minji Kim, Miji Kim, Sang Bae Cheong +3 more | 2025-07-29 |
| 12012379 | Method of purifying alpha-olefin and composition for purifying alpha-olefin therefor | Yeonock Oh, Choon Sik Shim, Jaesuk Choi, Howon Lee | 2024-06-18 |
| 11773196 | Ethylene polymer mixture, method of preparing the same, and molded article using the same | Hyeong Taek Ham, Min Ho Jeon, Choon Sik Shim, Sang Bae Cheong, Ji Hyun Bae +2 more | 2023-10-03 |
| 9228038 | Ethylene copolymer with improved hygienic property and process for preparing the same | Seung Bum Kwon, Se Won OH, Hyeong Taek Ham, Choon Sik Shim, Sung Seok Chae | 2016-01-05 |
| 8742043 | Transition metal catalytic systems and methods for preparing ethylene homopolymers or copolymers of ethylene and olefins using the same | Myung Ahn Ok, Jong Sok Hahn, Ho Seong Lee, Sang Ook Kang, Sung Kwan Kim | 2014-06-03 |
| 8674026 | Ethylene copolymer having multiple pitch in molecular weight distribution and the method of preparing the same | Choon Sik Shim, Hyeong Taek Ham, Sung Seok Chae, Seung Bum Kwon, Jong Sok Hahn +1 more | 2014-03-18 |
| 8076428 | Ethylene copolymer having multiple pitch molecular weight distribution and the method of preparing the same | Choon Sik Shim, Hyeong Taek Ham, Sung Seok Chae, Seung Bum Kwon, Jong Sok Hahn +1 more | 2011-12-13 |
| 7645715 | Bis-arylaryloxy catalytic system for producing ethylene homopolymers or ethylene copolymers with alpha-olefins | Myung Ahn Ok, Jong Sok Hahn, Sang Ook Kang, Tae Eung Kim | 2010-01-12 |
| 7097959 | Negative resist composition | Mi-Sun Ryu, Bong Seok Moon, You Lee Pae, Hyuk-Jin Cha, Su-Hyun LEE +4 more | 2006-08-29 |