Issued Patents All Time
Showing 25 most recent of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296542 | Heat resistant polymers and blends of hydroquinone poly (isoterephthalates) containing residues of p-hydroxybenzoic acid | Richard Layton, James W. Cleary, Paul J. Huspeni, Paul D. Frayer | 1994-03-22 |
| 5216091 | High strength polymers and blends of hydroquinone poly(iso-terephthalates) containing residues of p-hydroxybenzoic acid | Brian A. Stern, Richard Layton, Paul J. Huspeni, Paul D. Frayer, James W. Cleary | 1993-06-01 |
| 5216092 | Blends of liquid crystalline polymers of hydroquinone poly(isoterephthalates) p-hydroxybenzoic acid polymers and another LCP containing oxybisbenzene and naphthalene derivatives | Paul J. Huspeni, Brian A. Stern, Paul D. Frayer, Richard Layton | 1993-06-01 |
| 5204417 | High strength polymers and blends of hydroquinone poly(iso-terephthalates) containing residues of p-hydroxybenzoic acid | Brian A. Stern, Richard Layton, Paul J. Huspeni, Paul D. Frayer, James W. Cleary | 1993-04-20 |
| 5171796 | Miscible blends of a poly(aryl ether ketone) and an imide containing polymer | James E. Harris, Lloyd M. Robeson, Michael Duane Cliffton, Bernard H. Eckstein | 1992-12-15 |
| 5159028 | Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers) | George T. Kwiatkowski, Robert A. Clendinning, Selvaraj Savariar, Mohammad Jamal El-Hibri, Charles N. Merriam +1 more | 1992-10-27 |
| 5147967 | High strength polymer of hydroquinone poly(iso-terephthalate) containing residues of p-hydroxybenzoic acid | Brian A. Stern, Richard Layton, Paul J. Huspeni, Paul D. Frayer, James W. Cleary | 1992-09-15 |
| 5137988 | Amino-terminated poly(aryl ether ketones) | Donald M. Papuga | 1992-08-11 |
| 5120818 | Chain-extended poly(aryl ether ketones) | Lloyd M. Robeson, Paul A. Winslow, James E. Harris, Louis M. Maresca | 1992-06-09 |
| 5089594 | Wholly aromatic polyester of isophthalic acid, terephthalic acid, p-hydroxybenzoic acid, hydroquinone and an arylene diol | Brian A. Stern, Richard Layton | 1992-02-18 |
| 5084526 | Miscible blends of an amide and/or imide containing polymer and a polyarylate | James E. Harris, Lloyd M. Robeson | 1992-01-28 |
| 5084530 | Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymers | James H. Botkin, Paul A. Winslow | 1992-01-28 |
| 5079309 | Miscible blends of a poly(aryl ether ketone) and an imide containing polymer | James E. Harris, Lloyd M. Robeson, Michael Duane Cliffton, Bernard H. Eckstein | 1992-01-07 |
| 5079289 | High modulus, high strength melt-processible polyester of hydroquinone poly (iso-terephthalates) containing residues of a p-hydroxybenzoic acid | Richard Layton, James W. Cleary, Paul J. Huspeni, Paul D. Frayer | 1992-01-07 |
| 5077351 | Process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers) | George T. Kwiatkowski, Robert A. Clendinning, Selvaraj Savariar, Mohammad Jamal El-Hibri, Charles N. Merriam +1 more | 1991-12-31 |
| 5066767 | Wholly aromatic polyesters comprising isophthalic acid, terephthalic acid, p-hydroxybenzoic acid, hydroquinone and an arylene diol | Richard Layton | 1991-11-19 |
| 5037936 | Bis(acid chloride) terminated polyaryl ether ketone oligomer | Robert A. Clendinning, James E. Harris, George T. Kwiatkowski, Lee P. McMaster, Paul A. Winslow | 1991-08-06 |
| 5032667 | Amide and/or imide containing polymers and monomers for the preparation thereof | James E. Harris, Abe Berger, Vilas M. Chopdekar, James Spanswick | 1991-07-16 |
| 5001200 | Poly(phenylene oxide)-poly(aryl ether ketone) blends | Robert A. Clendinning, James E. Harris, Lloyd M. Robeson | 1991-03-19 |
| 4975470 | Blends comprising poly(aryl ether ketone co-carbonates) | Barry D. Dean, Donald M. Papuga | 1990-12-04 |
| 4968758 | Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymers block copolymers | James H. Botkin, Paul A. Winslow | 1990-11-06 |
| 4959424 | Amino-terminated poly(aryl ether ketones) | Donald M. Papuga | 1990-09-25 |
| 4925916 | Amide and/or imide containing polymers and monomers for the preparation thereof | James E. Harris, Abe Berger, Vilas M. Chopdekar, James Spanswick | 1990-05-15 |
| 4908425 | Chain-extended poly(aryl ether ketones) | Lloyd M. Robeson, Paul A. Winslow, James E. Harris, Louis M. Maresca | 1990-03-13 |
| 4891167 | 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 | 1990-01-02 |