Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855387 | Poly(arylene ether ketones) having biphenylene-4,4'-dicarbonyl groups | John B. Mazzanti | 1989-08-08 |
| 4843131 | Preparation of poly(arylene ether ketones) by sequential oligomerization and polymerization in distinct reaction zones | Paul Becker, Larry M. Edwards, Patrick J. Horner, A. Brian Macknick, Ronald J. Mosso | 1989-06-27 |
| 4826947 | Preparation of poly(arylene ether ketones) | Viktors Jansons, John B. Mazzanti | 1989-05-02 |
| 4808693 | Aryl ether ketone copolymers | Klaus J. Dahl, Viktors Jansons | 1989-02-28 |