Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189209 | Process for producing highly pure isophthalic acid | Tazuo Ohta, Kazuo Tanaka, Terumasa Yoshida, Ichihei Motoyama | 1993-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189209 | Process for producing highly pure isophthalic acid | Tazuo Ohta, Kazuo Tanaka, Terumasa Yoshida, Ichihei Motoyama | 1993-02-23 |