Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335214 | Process for purifying particles of biological origin, particularly the surface antigen of the virus of hepatitis B (AgHBs) | Alberte Platel nee Bonnet, Ludwig Muller | 1982-06-15 |