Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114370 | Method for preparing cerium carbonate and method for preparing cerium oxide powder | Sang Soon Choi, Sang Yun Jung, Jeong Kyu Kim | 2012-02-14 |
| 7910780 | Method for purifying terephthalaldehyde | Seong Hoon Kang, In Kyu Park, Jong Suh Park | 2011-03-22 |
| 7687629 | Process for preparing 4-aminomethyl-3-alkoxyiminopyrrolidine methanesulfonate | Gyo Hyun Hwang, Hyun Nam, Jay Hyok Chang, Hyun-Ik Shin, Young Keun Kim +3 more | 2010-03-30 |
| 7417171 | Method for preparing an aromatic dialdehyde and manufacturing system for the same | Jong Hyun Chae, Won-Ho Lee, Dong-Il Lee, In Kyu Park, Yong-Jin Choe +3 more | 2008-08-26 |
| 7271272 | Process for preparing 4-aminomethyl-3-alkoxyiminopyrrolidine methanesulfonate | Gyo Hyun Hwang, Hyun Nam, Jay Hyok Chang, Hyun-Ik Shin, Young Keun Kim +2 more | 2007-09-18 |