Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919293 | Double metal cyanide catalysts for producing polyether polyols | Pieter Ooms, Jörg Hofmann, Christian Steinlein | 2005-07-19 |
| 6835687 | Method for producing double metal cyanide (DMC) catalysts | Jörg Hofmann, Bernd Klinksiek, Thorsten Fechtel, Matthias Ruhland, Jürgen Scholz +2 more | 2004-12-28 |
| 6780813 | Process for producing DMC catalysts | Jörg Hofmann, Bernd Klinksiek, Thorsten Fechtel, Franz Föhles, Pieter Ooms | 2004-08-24 |
| 6776925 | Process for the preparation of polyether polyols | Jörg Hofmann, Bernd Klinksiek, Lars Obendorf, Christian Steinlein, Bert Klesczewski +1 more | 2004-08-17 |
| 6670406 | Process for producing polyether polyols | Jörg Hofmann, Bernd Klinksiek, Bert Klesczewski, Christian Steinlein, Lars Obendorf +2 more | 2003-12-30 |
| 6486361 | Method for preparing polyether polyols | Jörg Hofmann, Manfred Dietrich, Pramod Gupta, Christian Steinlein, Horst Zwick | 2002-11-26 |