Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370496 | Process for continuous production of high purity terephthalic acid | Michio Kuki | 1983-01-25 |
| 4327226 | Process and apparatus for producing aromatic dicarboxylic acids | Takehiko Kitamura | 1982-04-27 |
| 4189603 | Process for producing high-quality terephthalic acid suitable for use in direct polymerization | Hatsutaro Yamazaki, Takehiko Kitamura | 1980-02-19 |