Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326078 | Process for preparation of hydrazobenzenes by catalytic hydrogenation of nitrobenzenes | — | 1982-04-20 |
| 4322554 | Polymeric azomethines | Gunther Meyer, Klaus-Dieter Steffen | 1982-03-30 |