Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248812 | Process for the isolation of 2-naphthylamine-1,5-disulphonic acid | Horst Behre, Heinz U. Blank, Holger Heidenreich, Fritz Pohl | 1993-09-28 |
| 4420613 | Dihydrobenzothiazine compounds and the preparation thereof | Edmund Krauthausen, Kurt-Rainer Stahlke, Gerwolf Quaas, Lothar Ruetz | 1983-12-13 |
| 4393206 | Process for the production of 2,3-Dihydro-4H-1,4-benzothiazines | Edmund Krauthausen | 1983-07-12 |
| 4254229 | Polyurethane plastics containing thio groups | Jurgen Schwindt, Gerhard Grogler | 1981-03-03 |
| 4223147 | Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their production | Harald Oertel, Reinhard Lantzsch, Ernst Roos, Hans Schroer, Dieter Arlt | 1980-09-16 |