Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756509 | Method for purifying crude 2,6-naphthalenedicarboxylic acid | Koji Yamamoto, Takeharu Tanaka, Maki Hamaguchi | 2004-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756509 | Method for purifying crude 2,6-naphthalenedicarboxylic acid | Koji Yamamoto, Takeharu Tanaka, Maki Hamaguchi | 2004-06-29 |