Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013108 | Process for producing 2, 3, 3′, 4′,-biphenyltetracarboxylic dianhydride | Tatsushi Nakayama | 2011-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013108 | Process for producing 2, 3, 3′, 4′,-biphenyltetracarboxylic dianhydride | Tatsushi Nakayama | 2011-09-06 |