Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808652 | Modified ⊖-alumina-supported nickel reforming catalyst and its use for producing synthesis gas from natural gas | Sang-Eon Park, Hyun-Seog Roh, Seung Chan Baek, Young-Sam Oh, Young-Soon Baek +2 more | 2004-10-26 |
| 6740783 | Process for preparing dimethyl ether from crude methanol | Hyun-Seog Roh, Kew-Ho Lee | 2004-05-25 |
| 6693060 | Modified &thgr;-Al2O3-supported nickel reforming catalyst and its use for producing synthesis gas from natural gas | Sang-Eon Park, Hyun-Seog Roh, Seung Chan Baek, Young-Sam Oh, Young-Soon Baek +2 more | 2004-02-17 |
| 6476257 | Method for preparing aromatic carboxylic acids from alkylaromatics by liquid-phase oxidation | Sang-Eon Park, Jin S. Yoo, David B. Raju, Young-Ho Kim | 2002-11-05 |
| 6248795 | Process of preparing a mixture of dimethyl ether and methanol from carbon dioxide | Kyu Wan Lee | 2001-06-19 |
| 6075170 | Process for preparing cyclohexanol and cyclohexanone | Sang Bum Kim, Seong Bo Kim, Kyu Wan Lee | 2000-06-13 |
| 5952540 | Process for preparing hydrocarbons | Kyu Wan Lee, Myoung Jae Choi, Pyoung Ho Choi, Soo Jae Lee | 1999-09-14 |
| 5208392 | Catalyst and method for preparing mixture of cyclohexanol and cyclohexanone | Kyu Wan Lee, Eun-Kyung Shim | 1993-05-04 |