Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9345988 | Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) | Gerd Kaibel, Elke Geiβler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape | 2016-05-24 |
| 8674140 | Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) | Gerd Kaibel, Elke Geiβbler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape | 2014-03-18 |
| 6986833 | Process for fractionating water-containing crude amine mixtures from amine synthesis | Andreas Wölfert, Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany | 2006-01-17 |
| 6913674 | Process for fractionating water-containing crude amine mixtures from amine synthesis | Andreas Wölfert, Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany | 2005-07-05 |
| 6821396 | Process for fractionating water-containing crude amine mixtures from amine synthesis | Andreas Wölfert, Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany | 2004-11-23 |
| 6353118 | Dewatering and purification of crude pyrrolidine | Joachim Simon, Peter Wahl | 2002-03-05 |
| 6072076 | Continuous preparation of alkyl esters of (meth)acrylic acid | Matthias Geisendorfer, Alexander Weck, Toni Dockner, Holger Herbst, Gerhard Nestler | 2000-06-06 |
| 5883288 | Continuous preparation of alkyl esters of (meth)acrylic acid | Gabriele Iffland, Albrecht Dams, Alexander Weck, Heinrich Aichinger, Holger Herbst +4 more | 1999-03-16 |
| 4814505 | Purification of n-vinylformamide | Michael Kroener, Alfred Oftring, Theo Proll, Heinrich Hartmann | 1989-03-21 |