Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693852 | Process for the preparation of o-acyloxycarboxanilides | Andreas Dierdorf, Theodor Papenfuhs | 1997-12-02 |
| 5631403 | Process for the preparation of hydroxycarboxanilides | Andreas Dierdorf, Theodor Papenfuhs | 1997-05-20 |
| 5616799 | Process for the preparation of glycoloylanilides | Theodor Papenfuhs | 1997-04-01 |
| 5543550 | Process for the preparation of 5-fluoroanthranilic alkyl esters and/or 5-fluoroanthranilic acid | Jochen Rapp, Theodor Papenfuhs, G unter Bartels | 1996-08-06 |
| 4952697 | Process for the preparation of 2-nitro-3-aminopyridine, and the intermediates which are formed in the reaction | Klaus Warning, Gunter H. Herbst, deceased, Ulrike M. Herbst, Bettina S. Herbst, Georg Schaeffer | 1990-08-28 |
| 4217307 | Process for the preparation of 2,2'-dichloro-hydrazobenzene | Konrad Baessler, Otto Fuchs | 1980-08-12 |