Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873287 | Flame retardant ternary blends of polyetherimide, polyphenylene ether and block copolymer of a vinyl aromatic hydrocarbon and an alkene compound | Fred F. Holub, Visvaldis Abolins | 1989-10-10 |
| 4871817 | Polyetherimide-liquid crystal polymer blends | — | 1989-10-03 |
| 4855356 | Ternary polymer blends containing a polyetherimide, a polyphthalate carbonate, and rubber modified vinyl aromatic polymer | Fred F. Holub | 1989-08-08 |
| 4816527 | Polycarbonate-siloxane polyetherimide copolymer blends | — | 1989-03-28 |