Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688586 | Poly(ethylene oxalate), product formed of molded therefrom and production process of poly(ethylene oxalate) | Zenya Shiiki | 1997-11-18 |
| 5605987 | Production process of alkylene thioether-arylene thioether copolymer | Mitsuru Hoshino, Hiroyuki Sato | 1997-02-25 |