Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707502 | Process for the production of urethane-modified polyisocyanate preparations, the polyisocyanate preparations obtainable by this process and their use in the production of plastics based on polyisocyanates | Werner Rasshofer, Otto Ganster, Ludwig Rottmaier | 1987-11-17 |