Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348334 | Process for producing the magnesium salt of 3-nitro-naphthalene-1,5-disulfonic acid (nitro-Armstrong's acid) | Bernhard Albrecht, Hans-Helmut Frey, Vinzenz Habermacher, Horst Behre, Lutz Kienitz +2 more | 1982-09-07 |
| 4341720 | Process for the preparation of oxalyl chloride | Axel Vogel, Karl Mannes, Viktor Trescher | 1982-07-27 |
| 4325889 | Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid) | Horst Behre, Albert Hullen, Bruno Kruger | 1982-04-20 |