Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594449 | Process for producing terephthalic acid suitable for use in direct polymerization | Takayuki Tsumura, Takanori Tsugiya, Katsuya Murakami, Yasue Nakajima | 1986-06-10 |