Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670406 | Process for producing polyether polyols | Stephan Ehlers, Bernd Klinksiek, Bert Klesczewski, Christian Steinlein, Lars Obendorf +2 more | 2003-12-30 |
| 6646100 | Aliphatic polycarbonate homo-and co-polymers produced by DMC catalysis and the process for their production | Walter Schafer, Christian Steinlein | 2003-11-11 |
| 6624286 | Double-metal cyanide catalysts containing polyester for preparing polyether polyols | Pramod Gupta, Robert J. Kumpf, Pieter Ooms, Walter Schafer | 2003-09-23 |
| 6624321 | Process for the preparation of polyether polyols | Uwe Denninger, Pramod Gupta | 2003-09-23 |
| 6617419 | Long-chain polyether polyols with a high proportion of primary oh groups | Pramod Gupta, Manfred Dietrich | 2003-09-09 |
| 6608231 | Double-metal cyanide catalysts for producing polyether polyols | Pieter Ooms, Pramod Gupta | 2003-08-19 |
| 6586566 | Double metal cyanide catalysts for producing polyether polyols | Pieter Ooms, Pramod Gupta, Walter Schafer, John Lohrenz | 2003-07-01 |
| 6586564 | Double-metal cyanide catalysts for preparing polyether polyols | Walter Schafer, Pieter Ooms | 2003-07-01 |
| 6569981 | Crystallizing polyether polyols, a method for producing them and use of the same | Walter Schafer, Pramod Gupta, Pieter Ooms | 2003-05-27 |
| 6528616 | Double metal cyanide catalysts for the production of polyther polyols | Pieter Ooms, Pramod Gupta | 2003-03-04 |