Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362908 | Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid | Ricky L. Wittman | 1994-11-08 |
| 5354898 | Method for purifying crude aromatic carboxylic acids | — | 1994-10-11 |