Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639093 | Process for the preparation of hydroxybenzoic benzyl esters | Bernd-Ulrich Schenke | 2003-10-28 |
| 6624286 | Double-metal cyanide catalysts containing polyester for preparing polyether polyols | Jörg Hofmann, Pramod Gupta, Robert J. Kumpf, Walter Schafer | 2003-09-23 |
| 6608231 | Double-metal cyanide catalysts for producing polyether polyols | Jörg Hofmann, Pramod Gupta | 2003-08-19 |
| 6600064 | Process for the preparation of hydroxybenzoic benzyl esters | Bernd-Ulrich Schenke | 2003-07-29 |
| 6586566 | Double metal cyanide catalysts for producing polyether polyols | Jörg Hofmann, Pramod Gupta, Walter Schafer, John Lohrenz | 2003-07-01 |
| 6586564 | Double-metal cyanide catalysts for preparing polyether polyols | Walter Schafer, Jörg Hofmann | 2003-07-01 |
| 6569981 | Crystallizing polyether polyols, a method for producing them and use of the same | Walter Schafer, Jörg Hofmann, Pramod Gupta | 2003-05-27 |
| 6555703 | Process for the preparation of carboxylic acid benzyl esters | Bernd-Ulrich Schenke | 2003-04-29 |
| 6528616 | Double metal cyanide catalysts for the production of polyther polyols | Jörg Hofmann, Pramod Gupta | 2003-03-04 |