Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948921 | Process for the production and recovery of trimellitic acid | Wayne P. Schammel | 1990-08-14 |
| 4946970 | Suppression of trimellitic anhydride dust | Chang-Man Park, Adel B. Abdul-Malek | 1990-08-07 |
| 4845274 | Oxidation of polyalkylaromatics | Wayne P. Schammel | 1989-07-04 |
| 4845275 | Trimellitic acid process | Wayne P. Schammel | 1989-07-04 |
| 4470705 | Mixing and feeding machine | Richard K. Boice | 1984-09-11 |