Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837350 | Process for the preparation of benzoin sulfonates | Werner Rutsch | 1989-06-06 |
| 4795766 | Propiophenone derivatives as photoinitiators for photopolymerization | Werner Rutsch, Rudolf Kirchmayr, Kurt Dietliker | 1989-01-03 |