Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9925525 | Bismuth molybdate-based catalyst having zeolite coating layer, method of preparing the same, and method of preparing 1,3-butadiene using the same | Dae Heung Choi, Dong Hyun Ko, Jun Han Kang, Dae Chul Kim, Joo Hyuck Lee +5 more | 2018-03-27 |
| 9884315 | Composite oxide catalyst for preparing butadiene and method of preparing the same | Myung Ji Suh, Dae Heung Choi, Ye Seul Hwang, Dong Hyun Ko | 2018-02-06 |
| 9782765 | Mesoporous composite oxide catalyst, method for preparing the same and method for synthesizing 1,3-butadiene using the same | Myung Ji Suh, Dong Hyun Ko, Jun Han Kang, Dae Chul Kim, Hyun Seok Nam +1 more | 2017-10-10 |
| 9751819 | Method of preparing butadiene | Dae Heung Choi, Dong Hyun Ko, Myung Ji Suh, Ye Seul Hwang, Jun Han Kang +4 more | 2017-09-05 |
| 9724676 | Oxidation catalyst for production of butadiene and method of preparing the same | Dae Heung Choi, Dong Hyun Ko, Jun Han Kang, Dae Chul Kim, Hyun Seok Nam +1 more | 2017-08-08 |
| 9592496 | Catalyst composition and method for preparing same | Dae Chul Kim, Dong Hyun Ko, Sung-June Cho, Jun Han Kang, Joo Hyuck Lee +6 more | 2017-03-14 |
| 9199895 | Method for preparing 1,3-butadiene as high yield | Dong Hyun Ko, Dae Chul Kim, Hyun Seok Nam, Dae Heung Choi | 2015-12-01 |