Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8530532 | Hydrogel contact lenses having improved wettability | Tae Sun Chang, Kyoung Hee Yun | 2013-09-10 |
| 7427579 | Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst | Jung-Ho Lee, Yo-Han Han, Suk-Jong Jeong, Nak-Mo Choi, Hang-Soo Woo +1 more | 2008-09-23 |
| 6617477 | Process for preparing 1,3-alkanediols from 3-hydroxyesters | Byeong No Lee, Eun Joo JANG, Jung-Ho Lee, Yo-Han Han, Hyun Kwan Shin +1 more | 2003-09-09 |
| 6617478 | Process for preparing a 1,3-alkandiol from 3-hydroxyester | Byeong No Lee, In Sun Jung, Eun Joo JANG, Jung-Ho Lee, Yo-Han Han | 2003-09-09 |