Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10882980 | Process for the production of water and solvent-free hydrogenated nitrile rubbers | Matthias Soddemann, Werner Obrecht, Hanns-Ingolf Paul, Paul Wagner, Rolf Feller +3 more | 2021-01-05 |
| 9249236 | Process for the production of water and solvent-free hydrogenated nitrile rubbers | Matthias Soddemann, Werner Obrecht, Hanns-Ingolf Paul, Paul Wagner, Rolf Feller +3 more | 2016-02-02 |
| 7846995 | Process for removing ruthenium-containing catalyst residues from optionally hydrogenated nitrile rubber | Christopher Ong | 2010-12-07 |
| 7666950 | Process for preparing hydrogenated nitrile rubbers | Christopher Ong, Stephen Pask, Sharon Guo | 2010-02-23 |
| 7071292 | Method for the preparation of purified elastomers from solution | Dirk Achten, Rafael Warsitz, Gregor Dudziak, Stephen Pask, Zsolt Szentivanyi | 2006-07-04 |
| 6646059 | Process for removing iron-and rhodium-containing catalyst residues from hydrogenated nitrile rubber | Paul Nguyen, Harald Bender, Gilles Arsenault, Ignazio Spadola | 2003-11-11 |
| 6441108 | Gas-phase polymerization in a bell-shaped reactor | Friedrich Haendeler, Heiko Herold, Leslaw Mleczko, Claus Riehle, Jürgen Schneider +1 more | 2002-08-27 |
| 6372865 | Method and device for extracting rubber from gaseous phase polymerization | Friedrich Haendeler, Heiko Herold, Klaus Schebesta, Jürgen Schneider, Norbert Schweigler | 2002-04-16 |
| 4791172 | Process for the preparation of partially hydrogenated nitrile rubbers | Johann Hohn, Werner Obrecht, Zsolt Szentivanyi | 1988-12-13 |