Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879354 | Miscible blends of an amide and/or imide containing polymer and a polyarylate | James E. Harris, Lloyd M. Robeson | 1989-11-07 |
| 4870153 | Novel poly(aryl ether) polymers | George T. Kwiatkowski, Lloyd M. Robeson | 1989-09-26 |
| 4870155 | Novel poly (etherimide) compositions | Paul A. Winslow, Donald M. Papuga | 1989-09-26 |
| 4861915 | Poly (aryl ether ketone) block copolymers | Robert A. Clendinning, James E. Harris, George T. Kwiatkowski, Lee P. McMaster, Paul A. Winslow | 1989-08-29 |
| 4857625 | Aromatic amorphous thermoplastic terpolymers | Robert A. Clendinning, Louis M. Maresca, Thomas H. Schwab | 1989-08-15 |
| 4837284 | Novel poly(aryl ether ketone)-polyester block copolymers | Donald M. Papuga | 1989-06-06 |
| 4820790 | Chain-extended poly(aryl ether ketones) | Paul A. Winslow | 1989-04-11 |