Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441182 | Method for the production of 2,6-dichloro-5-fluoro-nicotinic acid and coarse and particularly pure 2,6-dichloro-5-fluoro-nicotinic acid | Bernd Griehsel, Andreas Sattler, Karsten von dem Bruch | 2002-08-27 |
| 6403803 | Bis(2-chlorothiazolyl-5-methyl)amine and its salts, and process for working up reaction mixtures comprising 5-aminomethyl-2-chlorothiazole and bis(2-chlorothiazolyl-5-methyl)amine | — | 2002-06-11 |
| 6369239 | Process for the preparation of dialkylthiophenes and alkylenedioxythiophenes | Friedrich Jonas | 2002-04-09 |