Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843018 | Process for the quantative determination of free thyroxine | Johann Berger | 1989-06-27 |
| 4820644 | Process for the preparation of an immune-reactive porous carrier material | Rainer Schafer | 1989-04-11 |