Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214128 | Method for purifying a polyphenylene ether with amino carboxylic acid derivative | Koichi Horiguchi, Sadao Ibe | 1993-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214128 | Method for purifying a polyphenylene ether with amino carboxylic acid derivative | Koichi Horiguchi, Sadao Ibe | 1993-05-25 |