Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831182 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones | Holger Borchert, Stephan Schlitter, Rolf Fischer, Markus Rösch, Frank Stein +2 more | 2004-12-14 |
| 6730800 | Method for the production of tetrahydrofuran | Rolf Fischer, Frank Stein, Rolf Pinkos, Michael Hesse, Michael Jolyon Sprague +4 more | 2004-05-04 |
| 6693191 | Method for the production of a particle-containing preparation of tetrahydro-3,5-dimethyl-1,3,5-thiadiazin-2-thione | Heinz Isak, Norbert Sendhoff, Franz Schutz, Jörg Therre, Michael Drogemuller +3 more | 2004-02-17 |