Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211857 | Method for producing polyphenylene oxides | Akitoshi Sugio | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211857 | Method for producing polyphenylene oxides | Akitoshi Sugio | 1980-07-08 |