Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370517 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Sunhwan Hwang, Dong Hyun Ko, Kyong Yong Cha +1 more | 2025-07-29 |
| 12194447 | Catalyst for hydrogenation reaction and method for producing same | Dong Hyun Ko, Minkee Choi, Kyunglim Hyun | 2025-01-14 |
| 12053764 | Catalyst for hydrogenation reaction and method for producing same | Dong Hyun Ko, Minkee Choi, Yeonwoo Choi | 2024-08-06 |
| 11872546 | Catalyst for hydrogenation reaction and method for producing same | Dong Hyun Ko, Minkee Choi, Kyunglim Hyun | 2024-01-16 |
| 11731093 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Sunhwan Hwang, Dong Hyun Ko, Kyong Yong Cha +1 more | 2023-08-22 |
| 11618012 | Catalyst for oxidative dehydrogenation reaction, and method for producing same | Ye Seul Hwang, Dong Hyun Ko, Joohyuck Lee | 2023-04-04 |
| 11465131 | Method for producing ferrite-based coating catalyst and method for producing butadiene by using same | Joohyuck Lee, Dong Hyun Ko, Kyong Yong Cha | 2022-10-11 |
| 11447435 | Method for producing butadiene | Jun Han Kang, Kyong Yong Cha, Dong Hyun Ko | 2022-09-20 |
| 11370730 | Method for preparing 1,3-butadiene | Hyunseok Nam, Jun Han Kang, Kyong Yong Cha, Jaewon Jeong, Dong Hyun Ko +8 more | 2022-06-28 |
| 11167271 | Method for producing ferrite-based coated catalyst and method for producing butadiene by using same | Joohyuck Lee, Dong Hyun Ko, Kyong Yong Cha | 2021-11-09 |
| 10994265 | Catalyst system for oxidative dehydrogenation, reactor for preparing butadiene including catalyst system, and method of preparing 1,3-butadiene | Dong Hyun Ko, Kyong Yong Cha | 2021-05-04 |
| 10946364 | Catalyst system for oxidative dehydrogenation, reactor for oxidative dehydrogenation including catalyst system, and method of performing oxidative dehydrogenation using reactor | Dong Hyun Ko, Jun Han Kang, Hyunseok Nam, Sang Jin Han, Seongmin Kim | 2021-03-16 |