Issued Patents 1982
Showing 1–1 of 1 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, Horst Behre, Lutz Kienitz, Wolfgang Schenk +2 more | 1982-09-07 |