Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654471 | Process for the preparation of 4-hydroxyphenyl benzoate derivatives | Norman Haeberle, Peter Weitzel | 1997-08-05 |
| 5502206 | Liquid-crystalline organosiloxanes containing chiral tartarimides | Franz-Heinrich Kreuzer, Hans-Peter Weitzel | 1996-03-26 |
| 5399290 | Liquid crystals with (polysila) alkyl wing groups | Norman Haberle, Franz-Heinrich Kreuzer, Benno Krueger | 1995-03-21 |