Issued Patents All Time
Showing 26–50 of 57 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 |
| 4870155 | Novel poly (etherimide) compositions | Paul A. Winslow, Donald M. Papuga | 1989-09-26 |
| 4870153 | Novel poly(aryl ether) polymers | George T. Kwiatkowski, Lloyd M. Robeson | 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 |
| 4786694 | Poly(aryl ether ketone) block copolymers | Robert A. Clendinning, James E. Harris, George T. Kwiatkowski, Lee P. McMaster, Paul A. Winslow | 1988-11-22 |
| 4785072 | Polyaryl ether sulphones | James E. Harris, Louis M. Maresca | 1988-11-15 |
| 4774296 | Block polymers containing a poly(aryl ether ketone) and methods for their production | Robert A. Clendinning, James E. Harris, Donald R. Kelsey, Lloyd M. Robeson, Paul A. Winslow +1 more | 1988-09-27 |
| 4774314 | Preparing poly(aryl ethers) using alkaline earth metal carbonates, organic acid salts, and optionally copper compounds, as catalysts | Paul A. Winslow, Donald R. Kelsey | 1988-09-27 |
| 4748227 | Process for preparing poly(aryl ether)ketones using a sodium carbonate/organic acid salt catalyst | Paul A. Winslow | 1988-05-31 |
| 4746709 | Copolymers of polyphenylene oxides and polyarylates | Donald M. Papuga | 1988-05-24 |
| 4725647 | Process for preparing polyesters in the presence of a processing aid | Louis M. Maresca | 1988-02-16 |
| 4713438 | Amide and/or imide containing polymers and monomers for the preparation thereof | James E. Harris, Abe Berger, Vilas M. Chopdekar, James Spanswick | 1987-12-15 |
| 4668744 | Novel poly(aryl ether ketone) polyester block copolymers | Donald M. Papuga | 1987-05-26 |
| 4642327 | Novel polyetherimides | Donald M. Papuga | 1987-02-10 |
| 4619975 | Novel poly(aryl ether)- polyester block copolymers | Donald M. Papuga | 1986-10-28 |
| 4540748 | Polyetherimides | Donald M. Papuga | 1985-09-10 |
| 4536543 | Copolymers of polyphenylene oxides and poly(aryl ether)s | Donald M. Papuga | 1985-08-20 |
| 4536544 | Blends containing copolymers of polyphenylene oxides and poly(aryl ether)s | Donald M. Papuga | 1985-08-20 |
| 4459384 | Process for preparing polyesters or poly(ester carbonates) in the presence of a processing aid | Louis M. Maresca | 1984-07-10 |
| 4443581 | Impact modified polyarylate blends | Lloyd M. Robeson | 1984-04-17 |
| 4386186 | Process for preparing polyarylates | Louis M. Maresca | 1983-05-31 |
| 4380598 | Flame retardant polyarylate compositions | Lloyd M. Robeson | 1983-04-19 |