Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861915 | Poly (aryl ether ketone) block copolymers | James E. Harris, George T. Kwiatkowski, Lee P. McMaster, Markus Matzner, Paul A. Winslow | 1989-08-29 |
| 4857625 | Aromatic amorphous thermoplastic terpolymers | Louis M. Maresca, Markus Matzner, Thomas H. Schwab | 1989-08-15 |
| 4829143 | Modified poly(aryl ether ketones) derived from biphenol | Donald R. Kelsey | 1989-05-09 |