Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500671 | Reinforced polyurethane thermoplastic chemical materials and processes for their preparation | Wilhelm Goyert, Wolfgang Grimm, Albert Awater, Hans Wagner | 1985-02-19 |
| 4426333 | Process for the preparation of 1-benzoylamino-8-hydroxynaphthalene-4,6-disulphonic acid (benzoyl-K acid) | Erich Hammerschmidt, Horst Behre, Adolf Winkler | 1984-01-17 |
| 4421694 | Process for the preparation of nitroanilines | Adolf Winkler, Gunter Hentze | 1983-12-20 |
| 4325889 | Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) | Horst Behre, Albert Hullen, Guido Steffan | 1982-04-20 |