Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |