Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831169 | Organopolysiloxane oils | Ottfried Schlak, Rolf Braun | 1989-05-16 |
| 4812515 | Ageing-resistant thermoplastic moulding materials of good impact strength | Hans-Jurgen Kress, Christian Lindner, Horst Peters, Jochen Schoeps, Dieter Wittmann | 1989-03-14 |
| 4806593 | Thermoplastic moulding materials having good resistance to ageing and good low-temperature impact strength | Hans-Jurgen Kress, Christian Lindner, Horst Peters, Jochen Schoeps, Dieter Wittmann | 1989-02-21 |