| 8759585 |
Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis |
Torsten Mattke, Tilmann Steinmetz, Hans-Juergen Pallasch, Filip Nevejans |
2014-06-24 |
| 8530678 |
Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage |
Neven Lang, Eckhard Stroefer, Achim Stammer, Thorsten Friese |
2013-09-10 |
| 8450507 |
Integrated method for the preparation of trioxane from formaldehyde |
Neven Lang, Eckhard Stroefer, Christoph Sigwart |
2013-05-28 |
| 8378144 |
Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol |
Tobias Kortekamp, Eckhard Stroefer, Christoph Sigwart, Neven Lang |
2013-02-19 |
| 8372993 |
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification |
Neven Lang, Joachim Thiel, Eckhard Stroefer, Julia Kirschbaum |
2013-02-12 |
| 8350063 |
Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification |
Neven Lang, Laszlo Szarvas, Christoph Sigwart, Franz Niklaus Windlin, Eckhard Stroefer |
2013-01-08 |
| 8329951 |
Process for preparing diphenylmethanediamine |
Veronika Wloka, Torsten Mattke, Daniel Breuninger |
2012-12-11 |
| 8088950 |
Process for the preparation of triamides from ammonia and amido-dichlorides |
Michael Bock, Oliver Huttenloch, Patrick Deck, Oliver Bey, Heiner Schelling |
2012-01-03 |
| 7754900 |
Method for the production of dioxolane |
Neven Lang, Eckhard Stroefer, Achim Stammer |
2010-07-13 |
| 7713387 |
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification |
Neven Lang, Eckhard Ströfer, Achim Stammer, Thorsten Friese, Hans Hasse |
2010-05-11 |
| 7670464 |
Method for the distillative separation of a mixture containing vinyl ether and alchol |
Katrin Klass, Heike Becker, Regina Vogelsang, Alexander Hauk, Jochem Henkelmann |
2010-03-02 |
| 7601875 |
Method for producing ethyleneamines |
Matthias Frauenkron, Holger Evers, Johann-Peter Melder, Roderich Röttger, Till Gerlack +2 more |
2009-10-13 |
| 7393978 |
Method for producing ethylene-amines |
Matthias Frauenkron, Thomas Krug, Holger Evers, Johann-Peter Melder, Roderich Röttger +4 more |
2008-07-01 |
| 7381851 |
Method for producing formaldehyde |
Gerhard Olbert, Thorsten Johann, Markus Weber, Neven Lang, Eckhard Ströfer +1 more |
2008-06-03 |
