Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639068 | Method of preparing highly pure cefpodoxime proxetil | Gwan Sun Lee, Young-Kil Chang, Jae-Heon Lee, Chul Hyun Park, Keum-Shin Jung | 2003-10-28 |
| 6620930 | Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid | Gwan Sun Lee, Jae-Heon Lee, Young-Kil Chang, Chul Hyun Park, Cheol Kyung Kim | 2003-09-16 |