Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756623 | Cycloolefin copolymers and processes for their preparation | Frank Osan | 1998-05-26 |
| 5741921 | Conjugated polymers containing hetero-spiro atoms and their use as electroluminescence materials | Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin | 1998-04-21 |
| 5621131 | Conjugated polymers having spiro centers and their use as electroluminescence materials | Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin | 1997-04-15 |
| 5562826 | Semipermeable, porous, asymmetric polyether amide membranes | J Schneider, Reinhard Wagener, Ulrich Delius, J urgen Wildhardt | 1996-10-08 |
| RE35292 | Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media | Helmut Bahrmann, Michael Haubs, Thomas Muller | 1996-07-09 |
| 5504182 | Thermoplastically processable aromatic polyether amide | Harald Cherdron, Arnold Schneller, Otto Herrmann-Schonherr | 1996-04-02 |
| 5420231 | Aromatic copolyamides, process for preparing them and their use for the production of shaped structures | Ulrich Delius, Matthias Wiesner | 1995-05-30 |
| 5174899 | Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media | Helmut Bahrmann, Michael Haubs, Thomas Muller | 1992-12-29 |
| 5152894 | Semipermeable membrane made from a homogeneously miscible polymer blend | Michael Haubs, Claus-Peter Krieg, Juergen Wildhardt | 1992-10-06 |
| 4980081 | Polymers which form liquid-crystalline phases | Helmut Ringsdorf, Peter Neumann, Karl-Heinz Etzbach, Hans-Josef Sterzel | 1990-12-25 |
| 4865762 | Polymers which form liquid-crystalline phases | Peter Neumann, Karl-Heinz Etzbach, Hans-Josef Sterzel, Helmut Ringsdorf | 1989-09-12 |