Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9452983 | Method for refining quinolinic acid | In Sung Lee, Jae Hun YU, Ju Un Park, Chong Ho Lee | 2016-09-27 |
| 9376370 | Method for purifying 1,4-diaminobutane, 1,4-diaminobutane purified by said method, and polyamide prepared therefrom | Won Sik Gwak, Yong Bum Seo, Chong Ho Lee, In Sung Lee | 2016-06-28 |