Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813839 | Process for controlling a production process | Stefan Wershofen, Gerhard Then, Sabine Pegel, Jun Wang, Erman Sevinc +1 more | 2010-10-12 |
| 7662634 | Method and device for determining the isomer composition in isocyanate production processes | Andrea Wimschneider, Hans-Georg Pirkl, Heinz Muller, Stefan Dresely, Jeffrey Bolton +4 more | 2010-02-16 |
| 7495124 | Process for the production of very pure 2,4′-methylenediphenyl diisocyanate | Hans-Georg Pirkl, Jeffrey Bolton, Walter Meckel, Ulrich Wolf, Matthias Wintermantel | 2009-02-24 |
| 6491167 | Self-cleaning separator for cohesive or adhesive products | Jörg Schmitz, Klaus-Michael Zeyen, Oliver Fleschenträger | 2002-12-10 |