Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492565 | Process for the preparation of polyether polyols | Uwe Denninger, Jörg Hofmann | 2002-12-10 |
| 6486361 | Method for preparing polyether polyols | Stephan Ehlers, Jörg Hofmann, Manfred Dietrich, Christian Steinlein, Horst Zwick | 2002-11-26 |
| 6482993 | Method for producing long chain polyether polyols without reprocessing | Jörg Hofmann | 2002-11-19 |
| 6468939 | Double metal cyanide catalysts for the preparation of polyether polyols | Pieter Ooms, Jörg Hofmann | 2002-10-22 |
| 6458918 | Method for producing partially crystalline polyether polyols | Walter Schafer, Jörg Hofmann, Hanns P. Muller, Harald Pielartzik | 2002-10-01 |
| 6444720 | Open-cell rigid polyurethane foams | Bert Klesczewski, Jörg Hofmann | 2002-09-03 |
| 6391820 | Bi-metallic-cyanide catalysts used for preparing polyether polyols | Pieter Ooms, Jörg Hofmann, Walter Schafer | 2002-05-21 |
| 6376420 | Double-metal cyanide catalysts for producing polyether polyols | Pieter Ooms, Jörg Hofmann | 2002-04-23 |
| 6350920 | Method for preparing polyether polyols | Hans-Josef Buysch, Manfred Dietrich, Pieter Ooms | 2002-02-26 |