Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8637669 | Production method for adefovir dipivoxil | Kwang Do Choi, Yong Tack Lee, Hye Suk Hong, Il Hwan Cho, Si Beum Lee +3 more | 2014-01-28 |
| 6649775 | Process of lactonization in the preparation of statins | Kwang Hyeg Lee, Jin-Wan Kim, Kwang Do Choi, Sang Ho Lee, Hong Suk Cho | 2003-11-18 |
| 5700932 | Process for preparing cephem derivative | Kwang Hyuk Lee, Seung Sub Choi | 1997-12-23 |
| 5317099 | Process for the preparation of cephem derivatives | Kwang Hyuk Lee, Dong Hyun Ko, Young Ju Kim, Myung Xik Xiang | 1994-05-31 |