Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435354 | Process for preparing isocyanates in dialkyl carbonates as solvent | Manfred Heilig, Thomas Schulz, Torsten Mattke, Kai Thiele, Stefan Maixner | 2019-10-08 |
| 10093615 | Process for preparing isocyanates in dialkyl carbonates as solvent | Manfred Heilig, Thomas Schulz, Torsten Mattke, Kai Thiele, Stefan Maixner | 2018-10-09 |
| 8821829 | Reactor and process for preparing phosgene | Gerhard Olbert, Torsten Mattke, Luc Vanderwaeren, Jan Hammenecker | 2014-09-02 |
| 8759585 | Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis | Markus Siegert, Torsten Mattke, Tilmann Steinmetz, Hans-Juergen Pallasch | 2014-06-24 |
| 8546606 | Method for producing polyisocyanates | Andreas Brodhagen, Martin Sohn, Eckhard Stroefer, Andreas Woelfert, Steffen Oehlenschlaeger | 2013-10-01 |
| 8409539 | Reactor and method for producing phosgene | Gerhard Olbert, Torsten Mattke, Luc Vanderwaeren, Jan Hammenecker | 2013-04-02 |
| 7851648 | Method for the continuous production of isocyanates | Martin Sohn, Eckhard Stroefer, Ulrich Penzel, Hans-Juergen Pallasch, Rene Leuthold +4 more | 2010-12-14 |
| 7584629 | Separation of a substance mixture consisting of hydrogen chloride and phosgene | Martin Sohn, Eckhard Stroefer, Ulrich Penzel, Hans-Juergen Pallasch, Peter Van Den Abeel +3 more | 2009-09-08 |
| 7524405 | Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent | Martin Sohn, Eckhard Stroefer, Ulrich Penzel, Hans-Juergen Pallasch, Peter Van Den Abeel +3 more | 2009-04-28 |
| 6900348 | Light isocyanates, method for producing them and use thereof | Martin Reif, Peter van den Abeel, Hans Volkmar Schwarz, Ulrich Penzel, Volker Scharr | 2005-05-31 |
| 6576788 | METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX | Ulrich Penzel, Volker Scharr, Dieter Starosta, Hilmar Boesel, Eckhard Ströfer +8 more | 2003-06-10 |
| 6489503 | Storage stable methylene bis(phenylisocyanate) compositions | Thirumurti Narayan, Anthony Lunato, Jon S. Speier, David D. Peters, Cynthia Loop | 2002-12-03 |
| 6120699 | Storage stable methylene bis(phenylisocyanate) compositions | Thirumurti Narayan, Anthony Lunato, Jon S. Speier, David D. Peters, Cynthia Loop | 2000-09-19 |