Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344855 | Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage | Walter Schafer, Kuno Wagner | 1982-08-17 |
| 4331614 | Aromatic polyphosphonates and a process for their production | Manfred Schmidt, Ludwig Bottenbruch, Dieter Freitag, Klaus Reinking, Harry Rohr | 1982-05-25 |