Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321142 | Compounds from biopolymers and effector substances which are linked via optically active amino acid derivatives, processes for the preparation thereof and the use thereof | Heinz-Jurgen Friesen | 1994-06-14 |