Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022090 | Vitamin C composition stabilized with cationic material, anionic material and caffeic acid derivative | Min-Hee Choi, Gi Woong Ahn | 2011-09-20 |
| 7750031 | Caffeic acid derivative and composition containing the same | Gi Woong Ahn | 2010-07-06 |
| 6908625 | Cosmetic material containing triple- encapsulated retinol | Seung Ji Lee, Young Jin Lee, Chun Mong Lee | 2005-06-21 |
| 6589540 | Cosmetic composition for skin care containing retinol and epidermal growth factor | — | 2003-07-08 |