Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246398 | Method for recovering polyphenylene oxides | Akitoshi Sugio, Takao Kawaki, Hiroyuki Urabe, Tatsuhiko Kurihara, Isamu Masumoto +1 more | 1981-01-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4246398 | Method for recovering polyphenylene oxides | Akitoshi Sugio, Takao Kawaki, Hiroyuki Urabe, Tatsuhiko Kurihara, Isamu Masumoto +1 more | 1981-01-20 |