Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563001 | Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon | Michel Costantini, Gilbert Marin | 2003-05-13 |
| 6559339 | Method for crystallizing carboxylic acid | Michel Costantini | 2003-05-06 |