Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415877 | Acrylic copolymer coagulant and method of preparing graft copolymer using the same | Geon-Soo Kim, Moon Ja HWANG, Hyung Joon Kim, Chang Hoe KIM, Min Su CHAE | 2025-09-16 |
| 12338212 | Zeolite with improved hydro-isomerization activity | Yeon Ho Kim, Seung Woo Lee, Yoon Kyung Lee | 2025-06-24 |
| 12258526 | Manufacturing method and manufacturing apparatus of syngas, and manufacturing method of liquid hydrocarbon using the same | Ok Youn Kim, Dong Min Yun | 2025-03-25 |
| 12221582 | Method and apparatus for producing high value-added oil from waste plastic pyrolysis oil | Ka Young Kim, Ok Youn Kim, Young Moo Park | 2025-02-11 |
| 12091483 | Method of preparing graft polymer | Hyung Joon Kim, Geon-Soo Kim, Moon Ja HWANG, Chang Hoe KIM, Min Su CHAE | 2024-09-17 |
| 12054681 | Solvent composition prepared from waste oil and method of preparing the same | Do Kyoung Kim, Jeong Eop Choi, Seung Woo Lee, Yoon Kyung Lee | 2024-08-06 |
| 12054683 | Method of producing lube base oil from middle distillate in pyrolysis oil derived from waste plastic | Yeon Ho Kim, Ok Youn Kim, Seung Eon Lee, Seung Woo Lee, Yoon Kyung Lee +3 more | 2024-08-06 |
| 12023651 | Catalyst for selective ring-opening reaction and method of using same | Seung Woo Lee, Yeon Ho Kim, Yoon Kyung Lee, Seon Ju Lim | 2024-07-02 |
| 11905474 | Apparatus and method for refining waste plastic pyrolysis oil using a separator | Ok Youn Kim, Ka Young Kim, Young Moo Park, Ho Won Lee | 2024-02-20 |
| 11834543 | Polymer coagulant and graft copolymer comprising same | Geon-Soo Kim, Moon Ja HWANG, Hyung Joon Kim, Chang Hoe KIM, Min Su CHAE | 2023-12-05 |
| 11814589 | Solvent composition prepared from waste oil and method of preparing the same | Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim +3 more | 2023-11-14 |
| 11814590 | Method of producing lubricating base oil from atmospheric residue in pyrolysis oil derived from waste plastic | Seung Woo Lee, Yoon Kyung Lee, Ho Won Lee, Yeon Ho Kim, Ka Young Kim +2 more | 2023-11-14 |
| 11655315 | Method for preparing catalyst for polymerizing conjugated diene, catalyst and method for preparing conjugated diene-based polymer using the same | Kyoung Hwan Oh, Su Hwa Kim, Jeong Heon Ahn, Jin Sook Ryu, Suk Youn Kang | 2023-05-23 |
| 11365269 | Modifier, modified and conjugated diene-based polymer and rubber composition including the same | Suk Youn Kang, Hyo Jin Bae, Jeong Heon Ahn, Heung Yeal Choi, Kyoung Hwan Oh +1 more | 2022-06-21 |
| 11186661 | Method for preparing modified conjugated diene-based polymer | Kyoung Hwan Oh, Jeong Heon Ahn, Suk Youn Kang | 2021-11-30 |
| 10870717 | Modifier, modified and conjugated diene-based polymer and rubber composition including the same | Kyoung Hwan Oh, Jeong Heon Ahn, Suk Joon Yoo, Hyo Jin Bae, Su Hwa Kim +2 more | 2020-12-22 |
| 10696914 | Lubricant base oil and method for preparing the same | Yong Woo Kim | 2020-06-30 |
| 10647627 | Method for upgrading hydrocarbon using C4, C5 and C6 streams | Yong Woo Kim | 2020-05-12 |
| 10413884 | Catalytic cracking catalyst for RFCC process with maximized diesel yields and a method for the preparation thereof | Yong Woo Kim | 2019-09-17 |
| 10385277 | Catalyst for producing hydrogenated biodiesel and method of producing the same | Sang Il Lee, Do Woan Kim, Sang Jun Ju, Jae Wook Ryu, Gyung Rok Kim +1 more | 2019-08-20 |
| 10322980 | Method of upgrading low-value linear alpha-olefins of C18 or more | Jin Hee Ok, Tae Jin Kim, Wan Seop Kwon | 2019-06-18 |
| 10233373 | Drilling oil and method of preparing the same | Ja Hyun Yang, Tae Jin Kim, Young Hwan Lee, Jong Chan LEE | 2019-03-19 |
| 10184012 | Modified butadiene-based polymer and modifier useful for preparing the same | Hyo Jin Bae, Won Hee Kim, Seung Ho Choi, Kyoung Hwan Oh, Dong Hui Kim +4 more | 2019-01-22 |
| 10125334 | Lubricant base oil and method for preparing the same | Yong Woo Kim | 2018-11-13 |
| 9976098 | Method for preparing high-quality lubricant from biomass-derived fatty acid | Ja Hyun Yang, Tae Jin Kim, Young Hwan Lee, Jong Chan LEE, Wan Seop Kwon +1 more | 2018-05-22 |