Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653374 | Method of preparing flameproof thermoplastic resin composition | Bok Nam Jang, Se-Jong Kim, Gyu-Cheol Lee | 2003-11-25 |
| 6646032 | Thermoplastic flameproof resin composition | Bok Nam Jang, Se-Jong Kim, Gyu-Cheol Lee, Byeong Do Lee, Jung Hyun Kim | 2003-11-11 |
| 6639068 | Method of preparing highly pure cefpodoxime proxetil | Gwan Sun Lee, Jae-Heon Lee, Chul Hyun Park, Gha-Seung 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, Chul Hyun Park, Gha-Seung Park, Cheol Kyung Kim | 2003-09-16 |
| 6593404 | Thermoplastic resin composition | Jun Hyuk Shin, Sam-Joo Yang | 2003-07-15 |