Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453002 | Formaldehyde condensates and their preparation | Werner Maurer, Artur Haus | 1984-06-05 |
| 4376859 | Process for the preparation of aniline condensation dyestuffs | Werner Maurer | 1983-03-15 |