Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8507613 | Process for the alkoxylation of amino group containing polymers | Dieter Boeckh, Stefan Frenzel, Christian Bittner, Andrea Misske, Ulrich Annen +2 more | 2013-08-13 |
| 7470823 | Polyethers and their use as carrier oils | Michael Stoesser, Edward Bohres, Georg Heinrich Grosch, Marc Walter | 2008-12-30 |
| 7312363 | Method for activating double metallocyanide-compounds | Michael Stoesser, Edward Bohres, Georg Heinrich Grosch | 2007-12-25 |
| 5445765 | Petroleum emulsion breakers | Guenther Elfers, Hans-Henning Vogel, Knut Oppenlaender | 1995-08-29 |
| 5401439 | Oil-demulsifiers based on an alkoxylate and preparation of this alkoxylate | Guenther Elfers, Hans-Henning Vogel, Knut Oppenlaender | 1995-03-28 |
| 5393463 | Use of trialkanolamine polyethers as demulsifiers for oil-in-water emulsions | Rolf Fikentscher, Knut Oppenlaender, Johannes P. Dix, Hans-Henning Vogel, Klaus Barthold +1 more | 1995-02-28 |
| 5234626 | Methods of demulsifying employing condensates as demulsifiers for oil-in water emulsions | Rolf Fikentscher, Knut Oppenlaender, Johannes P. Dix, Hans-Henning Vogel, Guenther Elfers | 1993-08-10 |