Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654768 | Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene | Dae-sung Song, Hee Du Lee, Sang Il Lee, Ji Hoon Lee, Yeon Ho Kim | 2020-05-19 |
| 9062262 | Process for 1,3-butadiene separation from a crude C4 stream with acetylene converter | Hee Du Lee, Min-Su Ko, Min Gyoo PARK, Seong Jun Lee, Yoon Jae Yim +5 more | 2015-06-23 |
| 8962900 | Method for producing valuable aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or wood | Hong Chan Kim, Yong Seung Kim, Sang Hun Oh, Hyuck-Jae Lee, Jae Suk Koh +9 more | 2015-02-24 |
| 8030239 | Catalyst for xylene isomerization and process for preparing the same | Seung Hoon Oh, Sang Il Lee, Kyeong Hak Seong, Jong Hyung Lee | 2011-10-04 |