Issued Patents 1989
Showing 1–3 of 3 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 | Visvaldis Abolins, John A. Rock | 1989-10-10 |
| 4855356 | Ternary polymer blends containing a polyetherimide, a polyphthalate carbonate, and rubber modified vinyl aromatic polymer | John A. Rock | 1989-08-08 |
| 4808647 | Crosslinkable flame retardant composition of polyolefin and polyphenylene ether | Visvaldis Abolins, Joseph E. Betts, Gim F. Lee, Jr. | 1989-02-28 |