Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580442 | Method for producing feedstocks of high quality lube base oil from unconverted oil of fuels hydrocracker operating in recycle mode | Sook-hyung Kwon, Wha-Sik Min | 1996-12-03 |