Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763352 | Catalyst composition for the purification of the exhaust of diesel vehicles, catalyst using the same and preparing methods thereof | Hyun-Jong Jung, Yong Woo Kim, Yong-Taek Choi, Ki-Ho Lee, Kyeong-Cheol Min +1 more | 1998-06-09 |
| 5468263 | Fuel composition containing alkylphenyl poly(oxyalkylene) polyamine acid ester | Hyun-jong Chung, Sang-chul Yim, Ho-young Guen, Duk-han Kim | 1995-11-21 |