Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105631 | Preparation of alkylated N- or amino, ammonium or spirobicyclic ammonium group-containing, crosslinked polymers | Michael Stanek, Marion Wagner, Gerhard Schoppel, Georg Haeubl, Ernst Wressnegger | 2006-09-12 |
| 7057010 | Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups | Michael Stanek, Georg Häubl, Erich Steinwender | 2006-06-06 |
| 6486358 | Process for the purification and formulation of o-phthalaldehyde | Karlheinz Giselbrecht, Rudolf Hermanseder | 2002-11-26 |
| 5895815 | Process for the purification of 5H-dibenz (B,F) azepine | Gunter Eichberger | 1999-04-20 |
| 5206420 | Process for the preparation of succinylcholine halides | Gunther Eichberger | 1993-04-27 |
| 4408045 | Process for the preparation of partially etherified methylolmelamines | Wilhelm Dobramysl, Gerhard Stern | 1983-10-04 |