Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980917 | Oil-in-water type cosmetic composition containing retinoids stabilized by a liquidcrystal | Hak Hee Kang, Jung Su Kim, Ok Sob Lee | 1999-11-09 |
| 5916915 | Water-in-stable L-ascorbic acid derivative and a method for preparation thereof, and a skin-whitening cosmetic composition containing the same | Jong Eon Hong, Ki-Hwa Lee, Jang Sob Lee, Jung-No Lee, Ji Min Chun +3 more | 1999-06-29 |