Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181489 | Process for the treatment of byproducts obtained in the preparation of phthalic anhydride | Yoshiaki Toyoda, Takaai Suzuki | 1980-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181489 | Process for the treatment of byproducts obtained in the preparation of phthalic anhydride | Yoshiaki Toyoda, Takaai Suzuki | 1980-01-01 |