Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877823 | Fireproofed thermoplastic molding materials containing red phosphorus and based on polyesters or polyamides | Graham E. McKee, Hans-Peter Weiss | 1989-10-31 |
| 4866115 | Solid mixture of nucleated and nonnucleated polyamides | Walter Betz, Eckhard M. Koch, Gerd Blinne, Karl Hahn | 1989-09-12 |
| 4847330 | Thermoplastic molding materials based on nylons and ethylene copolymers | Horst Reimann, Rainer Theysohn, Franz G. Mietzner | 1989-07-11 |