Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952683 | Process for the preparation of sphingosine derivatives | Roland Tschannen, Richard Schmidt, Rudolf Klager, Peter Zimmermann | 1990-08-28 |
| 4544552 | Process for the preparation of cell and tissue regenerating substances | Roland Tschannen | 1985-10-01 |
| 4383832 | Process for the preparation of new organ transplants | Heinz F. Lichti, Massimo Brunetti | 1983-05-17 |