Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855357 | Low-temperature impact blends of polycarbonate, graft copolymer and rigid copolymer | David Whalen | 1989-08-08 |
| 4826933 | Polyphenylene ether-polyamide blends | Thomas S. Grant | 1989-05-02 |
| 4798865 | Thermoplastic polyamide--polyphenylene ether compositions | Thomas S. Grant, David Whalen | 1989-01-17 |