Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847330 | Thermoplastic molding materials based on nylons and ethylene copolymers | Christoph Plachetta, Rainer Theysohn, Franz G. Mietzner | 1989-07-11 |
| 4837264 | Polyamide compositions containing alkyl orthotitanate or dialkyltin dilaurate | Franz Zahradnik, Karlheinz Ulmerich, Graham E. McKee, Richard Pflueger, Rainer Theysohn | 1989-06-06 |
| 4818793 | Impact-resistant nylon molding materials which are less susceptible to stress cracking | Hans G. Matthies | 1989-04-04 |