Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865762 | Polymers which form liquid-crystalline phases | Peter Neumann, Karl-Heinz Etzbach, Hans-Josef Sterzel, Helmut Ringsdorf | 1989-09-12 |
WK
Willi Kreuder
Overall (1989): #43,860 of 140,708Top 35%
1
Patents 1989