Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883702 | Polyphenylene sulfide resin composition useful for plating | Masatoshi Sato, Kensuke Ogawara | 1989-11-28 |
| 4868275 | Preparation of poly (arylene sulfide) from dihalo aromatic hydroxyl compound | Toshikazu Kato, Hiroshi Inoue, Satoshi Tomagou | 1989-09-19 |
| 4845190 | Process for preparing polyarylene sulfides with recovery of carboxylic acid | Hiroshi Inoue, Toshikazu Kato | 1989-07-04 |
| 4840986 | Process for producing a polyarylene sulfide | Hiroshi Inoue, Toshikazu Kato, Satoshi Tomagou | 1989-06-20 |
| 4820801 | Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount | Hiroshi Inoue, Toshikazu Kato, Masaaki Otsuru | 1989-04-11 |