Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774221 | Supported hydrogenation catalysts | Udo Birkenstock, Herbert Schmidt, Burkhard Lachmann | 1988-09-27 |
| 4714689 | Process for the regeneration of catalysts for the gas-phase reduction of aromatic nitro compounds | Gunter Stammann, Zoltan Kricsfalussy, Helmut Waldmann, Joachim Schneider | 1987-12-22 |
| 4506066 | Thermoplastic polycarbonates, their preparation and their use as shaped articles and films | Manfred Schreckenberg, Rolf Dhein, Werner Nouvertne, Hans Rudolph | 1985-03-19 |
| 4435544 | Mixtures of polycarbonate elastomers, containing hydrogenated dimeric fatty acid esters as condensed units, and polyolefines and, optionally, other polycarbonates | Manfred Schreckenberg, Werner Nouvertne, Rolf Dhein, Peter Muller | 1984-03-06 |
| 4334053 | Process for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatings | Dieter Freitag, Klaus Reinking, Karsten-Josef Idel, Ludwig Bottenbruch | 1982-06-08 |
| 4328174 | Aromatic polyester phosphonates | Manfred Schmidt, Dieter Freitag, Ludwig Bottenbruch, Klaus Reinking, Harry Rohr | 1982-05-04 |
| 4260695 | Process for the preparation of aromatic polyesters | Dieter Freitag, Klaus Reinking | 1981-04-07 |
| 4225698 | Optical components consisting of aromatic polyesters molded in the form of an optical lens | Dieter Freitag, Hans Hespe, Carl Heynemann | 1980-09-30 |