Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115091 | Poly(arylene thioether) copolymers and process for producing thereof | Tetsuya Asahi, Yozo Kondo | 1992-05-19 |
| 4980454 | Poly(arylene cyano-thioether) copolymer and preparation thereof | Tetsuya Asahi, Yozo Kondo | 1990-12-25 |
| 4973663 | Poly(cyano arylene sulfide/sulfone)copolymer and preparation thereof | Tetsuya Asahi, Yozo Kondo | 1990-11-27 |