Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835687 | Method for producing double metal cyanide (DMC) catalysts | Stephan Ehlers, Bernd Klinksiek, Thorsten Fechtel, Matthias Ruhland, Jürgen Scholz +2 more | 2004-12-28 |
| 6833431 | Double-metal cyanide catalysts for preparing polyether polyols | Pieter Ooms, Walter Schafer | 2004-12-21 |
| 6818587 | Double-metal cyanide catalysts for preparing polyether polyols | Walter Schafer, Pieter Ooms | 2004-11-16 |
| 6806345 | Aliphatic polycarbonate homo-and co-polymers produced by DMC catalysis and the process for their production | Walter Schafer, Christian Steinlein | 2004-10-19 |
| 6780813 | Process for producing DMC catalysts | Bernd Klinksiek, Stephan Ehlers, Thorsten Fechtel, Franz Föhles, Pieter Ooms | 2004-08-24 |
| 6776925 | Process for the preparation of polyether polyols | Stephan Ehlers, Bernd Klinksiek, Lars Obendorf, Christian Steinlein, Bert Klesczewski +1 more | 2004-08-17 |