Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420344 | Process for producing highly pure terephthalic acid | Yoshiaki Izumisawa, Tsukasa Kawahara, Yoshiyuki Sumi, Yoshio Ishinaga, Katsuhiko Fukui +1 more | 1995-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420344 | Process for producing highly pure terephthalic acid | Yoshiaki Izumisawa, Tsukasa Kawahara, Yoshiyuki Sumi, Yoshio Ishinaga, Katsuhiko Fukui +1 more | 1995-05-30 |