Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344969 | Process for purification of naphthalenedicarboxylic acid | Hiroshi Iwane, Takahiro Sugawara | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344969 | Process for purification of naphthalenedicarboxylic acid | Hiroshi Iwane, Takahiro Sugawara | 1994-09-06 |