Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820801 | Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount | Hiroshi Inoue, Toshikazu Kato, Noriaki Emura | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820801 | Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount | Hiroshi Inoue, Toshikazu Kato, Noriaki Emura | 1989-04-11 |