Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855055 | Isolation and purification pre-S2 containing hepatitis B virus surface antigen by chemical affinity chromatography | Yih-Shou Hsieh, Shu-Chen Chu | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855055 | Isolation and purification pre-S2 containing hepatitis B virus surface antigen by chemical affinity chromatography | Yih-Shou Hsieh, Shu-Chen Chu | 1989-08-08 |