Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880875 | Thermoplastic molding material based on polycarbonate, ASA and vinylaromatics/an-containing copolymers | Georg Wassmuth, Karl Ruppmich, Erhard Seiler, Klaus Benker | 1989-11-14 |
| 4866114 | Self-extinguishing, thermoplastic polyphenylene ether/polyamide molding materials and their use for the production of moldings | Christof Taubitz, Klaus Boehlke | 1989-09-12 |
| 4797453 | Graft polymers of polyphenylene ethers | Christof Taubitz, Erhard Seiler, Lothar Schlemmer | 1989-01-10 |