Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411104 | Method for producing polybutene | Hyun-Ki Yun, Byeong-Gyu Lim, Se-Saeng Oh, Jae-Hoon Uhm | 2008-08-12 |
| 6090170 | Multihydroxypolyalkenyl-substituted amine compounds and fuel composition comprising the same | Hyun-Ki Yun, Jung Jin Kim, Yong-hwa Yeom, Il-seung Kim, Byung Keel Sohn +1 more | 2000-07-18 |