Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7427579 | Hydrogenation catalyst, preparation thereof, and method for the preparation of gamma-butyrolactone from maleic anhydride using the catalyst | Jung-Ho Lee, Hyung Rok Kim, 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, Hyung Rok Kim, 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, Hyung Rok Kim | 2003-09-09 |