Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744654 | Recovery of para-ethylphenol | — | 1998-04-28 |
| 5254750 | Removal of guaiacol from cresylic acid by heating with a strong base | — | 1993-10-19 |
| 5177269 | Removal of guaiacol from cresylic acid feedstreams by heating with a strong acid | James A. Brient | 1993-01-05 |