Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835267 | Process for the preparation of cephalosporin derivatives | Moon-Hwan Chang, Sung Kyoon Kim, Woan J. Kim | 1989-05-30 |
BK
Bong-Jin Kim
Overall (1989): #128,882 of 140,708Top 95%
1
Patents 1989