Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965690 | Aromatic polyamides and polyesters containing ortho-ether groups | Jerzy Paprotny | 1999-10-12 |
| 5834620 | Aromatic polyamides and polyesters containing ortho-ether groups | Jerzy Paprotny | 1998-11-10 |
| 5675020 | Ortho-bis(etherdianhydrides) | Jerzy Paprotny | 1997-10-07 |
| 5434240 | Poly (imide-ethers) | Jerzy Paprotny | 1995-07-18 |