Issued Patents All Time
Showing 1–25 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370517 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Myungji Suh, Sunhwan Hwang, Kyong Yong Cha +1 more | 2025-07-29 |
| 12194447 | Catalyst for hydrogenation reaction and method for producing same | Myungji Suh, Minkee Choi, Kyunglim Hyun | 2025-01-14 |
| 12053764 | Catalyst for hydrogenation reaction and method for producing same | Myungji Suh, Minkee Choi, Yeonwoo Choi | 2024-08-06 |
| 11993567 | Method for preparing aldehyde and apparatus for preparing aldehyde | Jusang YANG, Sangjun Shin, Sungshik Eom, Tae Yun Kim, Sungpil YANG | 2024-05-28 |
| 11918988 | Method for producing catalyst for oxidative dehydrogenation reaction, catalyst for oxidative dehydrogenation reaction, and method for producing butadiene using same | Sunhwan Hwang, Jun Han, San Jin Han, Kyoung Yong Cha | 2024-03-05 |
| 11872546 | Catalyst for hydrogenation reaction and method for producing same | Myungji Suh, Minkee Choi, Kyunglim Hyun | 2024-01-16 |
| 11865522 | Method for preparing zinc ferrite-based catalyst and zinc ferrite-based catalyst prepared thereby | Sang Jin Han, Kyong Yong Cha, Ye Seul Hwang, Sunhwan Hwang | 2024-01-09 |
| 11858874 | Method for preparing alpha-methylstyrene | Jaekwon Jeoung, Sunhwan Hwang, Jun Han Kang, Sang Jin Han | 2024-01-02 |
| 11780810 | Intermediates for optically active piperidine derivatives and preparation methods thereof | Jae Hong Kweon, Eun Sun Kim, Hyuk Lee, Chae Young Ryu, Kwang Do Choi +1 more | 2023-10-10 |
| 11731093 | Catalyst loading method and method for preparation of butadiene by using same | Ye Seul Hwang, Daeheung Choi, Myungji Suh, Sunhwan Hwang, Kyong Yong Cha +1 more | 2023-08-22 |
| 11660584 | Catalyst for oxidative dehydrogenation, method of preparing catalyst, and method of performing oxidative dehydrogenation using catalyst | Myung Ji Suh, Kyong Yong Cha, Dae Heung Choi, Ye Seul Hwang, Jun Han +1 more | 2023-05-30 |
| 11618012 | Catalyst for oxidative dehydrogenation reaction, and method for producing same | Ye Seul Hwang, Joohyuck Lee, Myungji Suh | 2023-04-04 |
| 11534744 | Composition including hydroformylation catalyst | Mi Young Kim, Sung Shik Eom, Da Won Jung, Tae Yun Kim, Min Ji Choi | 2022-12-27 |
| 11465138 | Method for producing metal complex catalyst, and metal complex catalyst produced by same | Sunhwan Hwang, Kyong Yong Cha, Ye Seul Hwang, Jun Han, Sang Jin Han +1 more | 2022-10-11 |
| 11465131 | Method for producing ferrite-based coating catalyst and method for producing butadiene by using same | Joohyuck Lee, Kyong Yong Cha, Myungji Suh | 2022-10-11 |
| 11446622 | Socket-type fluid distributor | Joo Young Cheon, Jun Han Kang, Sang Jin Han, Hyun-Jin Cho, Jae Kwon Jeoung | 2022-09-20 |
| 11447435 | Method for producing butadiene | Myungji Suh, Jun Han Kang, Kyong Yong Cha | 2022-09-20 |
| 11370730 | Method for preparing 1,3-butadiene | Hyunseok Nam, Jun Han Kang, Kyong Yong Cha, Jaewon Jeong, Jun Han +8 more | 2022-06-28 |
| 11275866 | Image processing method and image processing system for deep learning | Yoon Ho Choi, Seok Hwan Choi, Jinmyeong Shin, Seon-Jin Hwang | 2022-03-15 |
| 11254641 | Intermediates for optically active piperidine derivatives and preparation methods thereof | Jae Hong Kweon, Eun Sun Kim, Hyuk Lee, Chae Young Ryu, Kwang Do Choi +1 more | 2022-02-22 |
| 11247195 | Method of preparing catalyst for oxidative dehydrogenation and method of performing oxidative dehydrogenation using catalyst | Sang Jin Han, Kyong Yong Cha, Jun Han, Sun-Hwan Hwang | 2022-02-15 |
| 11202783 | Use of aminoalkylbenzothiazepine derivatives | Hyungjin Jun, So Young Ki, Keunho Lee, Jin Woo Jung, Dong Hyun Kim +10 more | 2021-12-21 |
| 11185852 | Catalyst composition for hydroformylation and method of preparing aldehyde using the same | Tae Yun Kim, Min Ji Choi, Sung Shik Eom, Mi Young Kim, Da Won Jung | 2021-11-30 |
| 11167271 | Method for producing ferrite-based coated catalyst and method for producing butadiene by using same | Joohyuck Lee, Kyong Yong Cha, Myungji Suh | 2021-11-09 |
| 11117119 | Catalyst for oxidative dehydrogenation and method of preparing the same | Myung Ji Suh, Yoon Jae Min, Kyong Yong Cha, Se Won Baek, Jun Han | 2021-09-14 |