Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044166 | Process for preparing pentamethylene 1,5-diisocyanate | Martin Fiene, Wolfgang Siegel, Stephan Freyer, Oskar Zelder, Gerhard Schulz | 2011-10-25 |
| 8026387 | Method for producing isocyanates | Matthias Kloetzer, Heinrich-Josef Blankertz | 2011-09-27 |
| 7999140 | Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers | Heiner Schelling, Hans Hasse, Sergej Blagov | 2011-08-16 |
| 7994361 | Moderate-pressure gas phase phosgenation | Andreas Woelfert, Christian Mueller, Markus Weber, Joachim Pfeffinger, Carsten Knoesche | 2011-08-09 |
| 7927080 | Method for operating a liquid ring compressor | Christian Müller, Martin Sesing, Martin Fiene, Oliver Huttenloch | 2011-04-19 |
| 7915444 | Method for producing diisocyanates | Andreas Woelfert, Carsten Knoesche, Manfred Heilig | 2011-03-29 |
| 7897806 | Method for producing polyisocyanates | Martin Sesing, Thorsten Rohde, Jochem Henkelmann | 2011-03-01 |