Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4895978 | Oxidation of pseudocumene to trimellitic acid enhanced by low gram atom ratios of zirconium to transition metal in oxidation catalyst system | Alan G. Bemis | 1990-01-23 |
| 4755622 | Process for the production of trimellitic acid and pyromellitic acid by staged bromine addition in an oxidation of polyalkylaromatics | Wayne P. Schammel | 1988-07-05 |
| 4284523 | Minimizing oxygenated aromatic compound content of aqueous solution of reclaimed metal oxidation catalyst | Walter Partenheimer, Joseph D. Figuly | 1981-08-18 |