Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562970 | Method for producing 4-chloro-6-hydroxypyrimidine | Franz-Josef Mais, Gunther Cramm, Alexander Klausener | 2003-05-13 |
| 6525198 | Method for producing 4,6-dichloropyrimidine with sulfur compounds and phosphorus compounds | Franz-Josef Mais, Alexander Klausener, Gunther Cramm | 2003-02-25 |
| 6504059 | Process for converting nitrobenzene to a free aminophenol | Franz-Josef Mais, Albrecht Marhold | 2003-01-07 |