Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657085 | Process for the preparation of aniline compounds | Gottfried Seifert | 2003-12-02 |
| 6548676 | Preparation of thiazoles | Thomas Pitterna, Henry Szczepanski, Peter Maienfisch, Ottmar Franz Huter, Marcel Senn +2 more | 2003-04-15 |
| 6518433 | Process for the preparation of nitroguanidine derivatives | Peter Maienfisch, Henry Szczepanski | 2003-02-11 |