Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7405267 | Method for purifying teicoplanin A2 | Tae-Won Kang, Byoung-Taek Choi, Gang Sun Choi, Sung-Ho Hwang | 2008-07-29 |
| 6649755 | Process for preparing acarbose with high purity | Chung Il Hong, Kyung Hwan Kim, Byoung Taik Choi, Gang Sun Choi | 2003-11-18 |