Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870155 | Novel poly (etherimide) compositions | Markus Matzner, Paul A. Winslow | 1989-09-26 |
| 4837284 | Novel poly(aryl ether ketone)-polyester block copolymers | Markus Matzner | 1989-06-06 |