Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392091 | Process of purifying and producing high purity aromatic polycarboxylic acids | — | 2002-05-21 |
| 6291707 | Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof | — | 2001-09-18 |
| 6133476 | Process for purification of aromatic polycarboxylic acids | — | 2000-10-17 |