Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718840 | Process for production of light olefins from hydrocarbon feedstock | Sun Choi, Deuk Soo Park, Suk Joon Kim, Il Mo Yang, Hee Young Kim +5 more | 2010-05-18 |
| 7488700 | Hydrothermally stable microporous molecular sieve catalyst and preparation method thereof | Sun Choi, Deuk Soo Park, Suk Joon Kim, Il Mo Yang, Hee Young Kim +5 more | 2009-02-10 |
| 7304195 | Process for increasing production of benzene from hydrocarbon mixture | Sun Choi, Seung Hoon Oh, Kyoung Hak Sung, Jong Hyung Lee, Sin Choel Kang +2 more | 2007-12-04 |
| 7301063 | Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock | Sun Choi, Seung Hoon Oh, Kyoung Hak Sung, Jong Hyung Lee, Sin Choel Kang +3 more | 2007-11-27 |
| 7297831 | Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture | Jong Hyung Lee, Seung Hoon Oh, Kyoung Hak Sung, Sun Choi, Byeung Soo Lim | 2007-11-20 |
| 6635792 | Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock | Sun Choi, Seung Hoon Oh, Beung-Soo Lim, Kyeong Hak Seong | 2003-10-21 |