Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770762 | Process for preparing and purifying 1,7′-dimethyl-2′-propyl-2,5′-bi-1H-benzimidazole | Rolf Dach, Volker Fachinger, Markus Heitzmann, Hartmut Schmidt | 2004-08-03 |
| 6680384 | Process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines | Ralf Lock, Werner Rall | 2004-01-20 |