Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857591 | Thermoplastic moulding compositions of ABS and hydrogenated nitrile rubber | Herbert Eichenauer, Joachim Doring, Rudolf Casper, Karl-Heinz Ott | 1989-08-15 |
| 4853441 | Process for hydrogenating nitrile group-containing unsaturated polymers | Rudolf Casper | 1989-08-01 |
| 4829128 | Low molecular weight copolymers and covulcanizates produced therefrom | Zsolt Szentivanyi, Joachim Thormer | 1989-05-09 |
| 4812587 | Process for selective hydrogenation of C--C double bonds in the presence of reducible, nitrogen-containing groups and new ruthenium complex compounds | Paul Fiedler, Rudolf Braden | 1989-03-14 |
| 4795788 | Process for the selective hydrogenation of unsaturated polymers containing nitrile groups | Thomas Himmler, Paul Fiedler, Rudolf Braden | 1989-01-03 |