Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022090 | Vitamin C composition stabilized with cationic material, anionic material and caffeic acid derivative | Min-Hee Choi, Byoung Kee Jo | 2011-09-20 |
| 7750031 | Caffeic acid derivative and composition containing the same | Byoung Kee Jo | 2010-07-06 |