Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8497345 | Device and method for degassing solvent-containing polycarbonate solutions | Thomas König, Klemens Kohlgrüber, Johan Vanden Eynde, Ing Johan Vaes | 2013-07-30 |
| 7705107 | Process for the preparation of polycarbonates | Hermann Kauth, Wolfgang Ebert, Wilfried Haese, Helmut Einberger, Alexander Meyer +4 more | 2010-04-27 |
| 5786445 | Process for drying polymeric powders and polymeric agglomerates | Claus Wulff, Gottfried Zaby, Thomas Bamberger, Klemens Kohlgrüber, Hugo Obermann +3 more | 1998-07-28 |
| 5117048 | Process for the continuous preparation of monoisocyanates or polyisocyanates | Gottfried Zaby, Helmut Judat, Eric F. Boonstra, Rolf-W. Eckermann, Siegbert Humburger | 1992-05-26 |
| 4851570 | Process for the continuous production of mono- and polyisocyanates | Gottfried Zaby, Helmut Judat, Siegbert Humburger, Rolf-W. Eckermann | 1989-07-25 |