Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8388719 | Ceramic filter comprising clay and process for preparing thereof | Ju-Hyung Lee, Jong-Sik Choi, Hoon Ahn, Sun Joo Kim | 2013-03-05 |
| 8197779 | Catalyst for removing nitrogen oxides from exhaust gas, method for preparing the same and method for removing nitrogen oxides using the same from exhaust gas | Ju-Hyung Lee, In-Sik Nam, Jong-Sik Choi, Sun Joo Kim, Hyuk Jae Kwon +2 more | 2012-06-12 |
| 7753983 | Method for preparing ceramic filter and ceramic filter prepared by the same | Jong-Sik Choi, Young Min Kong, Hoon Ahn, Sun Joo Kim, Dae Gon Han | 2010-07-13 |
| 6201159 | Process for the continuous production of neopentyl glycol | Jung Uk Choi, Kee-Hyouk Lee, Ji Joong Moon, Young Jin Kim, Kwang Ik Moon | 2001-03-13 |
| 5414101 | Preparation of hydridocarbonyl tris (triorganophosphorus) rhodium compounds | Jung Uk Choi, Sang Moo Lee | 1995-05-09 |