Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325889 | Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) | Horst Behre, Bruno Kruger, Guido Steffan | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325889 | Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) | Horst Behre, Bruno Kruger, Guido Steffan | 1982-04-20 |