Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117048 | Process for the continuous preparation of monoisocyanates or polyisocyanates | Gottfried Zaby, Helmut Judat, Eric F. Boonstra, Stefaan De Vos, Siegbert Humburger | 1992-05-26 |
| 4851570 | Process for the continuous production of mono- and polyisocyanates | Gottfried Zaby, Helmut Judat, Siegbert Humburger, Stefaan De Vos | 1989-07-25 |