Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876302 | Polyurethane dispersions and the use thereof as finishing agents | Wilhelm Thoma, Klaus Nachtkamp, Walter Schroer, Josef Pedain | 1989-10-24 |
| 4871735 | Naphthyl derivatives, pharmaceutical compositions containing these compounds and processes for preparing them | Joachim Heider, Manfred Psiorz, Andreas Bomhard, Norbert Hauel, Berthold Narr +3 more | 1989-10-03 |
| 4831027 | Imidazo-benzoxazinones, the preparation thereof and pharmaceutical compositions containing these compounds | Berthold Narr, Norbert Hauel, Joachim Heider, Manfred Psiorz, Andreas Bomhard +2 more | 1989-05-16 |
| 4829058 | Substituted bis-(4-aminophenyl)-sulfones | Joachim K. Seydel, Helmut Pieper, Gerd Kruger, Johannes Keck, Uwe Lechner | 1989-05-09 |
| 4829122 | Process for the preparation of aqueous polyurethane dispersions and solutions | Josef Pedain, Klaus Nachtkamp, Jurgen Grammel | 1989-05-09 |