| 10377689 |
Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and methanol in aqueous solutions |
Jakob Burger, Niklas Schmitz, Hans Hasse |
2019-08-13 |
|
| 9079822 |
Process for the preparation of nitrated aromatics and mixtures thereof |
Wolfgang Mackenroth, Johannes Buettner, Wolfgang Voigt, Frank Bok |
2015-07-14 |
|
| 9061971 |
Method for purifying residues containing isocyanates |
Andreas Wölfert, Carsten Knösche, Matthias Klotzer, Hermann Ascherl, Heinrich-Josef Blankertz +3 more |
2015-06-23 |
|
| 9006481 |
Process and apparatus for preparing isocyanates |
Torsten Mattke, Carsten Knoesche, Bernd Rumpf |
2015-04-14 |
|
| 9000213 |
Process for coproducing di- and/or polyisocyanates and glycols |
Michael Bock, Robert Baumann, Axel Franzke, Gerhard Theis |
2015-04-07 |
|
| 8933262 |
Process for preparing polyisocyanates from biomass |
Otto Machhammer, Stefan Bitterlich, Roman Prochazka, Mario Emmeluth, Julia Leschinski +6 more |
2015-01-13 |
|
| 8859805 |
Process for preparing isocyanates |
Torsten Mattke, Matthias Kloetzer, Bernhard Geissler, Peter Zehner |
2014-10-14 |
|
| 8853443 |
Process for preparing an isocyanate |
Daniel Breuninger, Johannes Adam, Heiner Schelling, Markus Kraemer, Matthias Eiermann +3 more |
2014-10-07 |
|
| 8841480 |
Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series |
Heiner Schelling, Hans-Juergen Pallasch, Jon S. Speier, Byoung-Yeon Kim |
2014-09-23 |
|
| 8835673 |
Process for preparing isocyanates |
Torsten Mattke, Julia Leschinski, Radwan Abdallah, Axel Franzke, Michael Bock |
2014-09-16 |
|
| 8829232 |
Process for preparing aromatic isocyanates |
Ulrich Penzel, Torsten Mattke, Andreas Wölfert, Johannes Jacobs, Tsung-Chieh Cheng +6 more |
2014-09-09 |
|
| 8822718 |
Process for preparing isocyanates by thermally cleaving carbamates |
Michael Bock, Robert Baumann, Axel Franzke, Joachim Pfeffinger |
2014-09-02 |
|
| 8772535 |
Process for preparing isocyanates |
Ralf Boehling, Sven Kueber, Stefan Maixner, Jochem Henkelmann, Georg Krug +1 more |
2014-07-08 |
|
| 8759569 |
Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
Heiner Schelling, Ulrich Penzel, Matthias Eiermann, Jon S. Speier, Kai Thiele +1 more |
2014-06-24 |
|
| 8748655 |
Process for preparing light-coloured isocyanates of the diphenylmethane series |
Heiner Schelling, Jon S. Speier, Byoung-Yeon Kim |
2014-06-10 |
|
| 8710267 |
Process for preparing MDA via the stage of the aminal |
Kai Thiele, Michael Zoellinger, Johnny Moors, Jon S. Speier |
2014-04-29 |
|
| 8686182 |
Process for preparing isocyanates and/or polyisocyanates |
Julia Leschinski, Torsten Mattke, Gerrit Waters |
2014-04-01 |
|
| 8680333 |
Process for the preparation of aromatic formamides |
Axel Franzke, Torsten Mattke, Julia Leschinski, Radwan Abdallah, Michael Bock +1 more |
2014-03-25 |
|
| 8680323 |
Process for preparing isocyanates by thermal dissociation of carbamates |
Michael Bock, Axel Franzke, Robert Baumann |
2014-03-25 |
|
| 8614352 |
Method for producing color-stable MDA and MDI |
Heiner Schelling, Robert Reinhardt, Michael Zoellinger, Daniel Breuninger, Markus Kraemer +2 more |
2013-12-24 |
|
| 8592637 |
Process for preparing mononitrated organic compounds |
Leo Denissen, Jan-Dirk Arndt, Torsten Mattke, Kerstin Heinen, Julia Leschinski |
2013-11-26 |
|
| 8546605 |
Process for the preparation of isocyanates |
Matthias Kloetzer, Volker Krase, Andreas Schmidt, Peter Scherbel |
2013-10-01 |
|
| 8546606 |
Method for producing polyisocyanates |
Andreas Brodhagen, Martin Sohn, Filip Nevejans, Andreas Woelfert, Steffen Oehlenschlaeger |
2013-10-01 |
|
| 8530678 |
Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage |
Markus Siegert, Neven Lang, Achim Stammer, Thorsten Friese |
2013-09-10 |
|
| 8519179 |
Method of measuring entry of water into phosgene-conducting plants |
Heiner Schelling, Ulrich Penzel, Dirk Hablawetz, Dave Beckwith, Kai Thiele +6 more |
2013-08-27 |
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