Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705074 | Removal of acidic organic contaminants from refinery waste water | — | 1998-01-06 |
| 5177269 | Removal of guaiacol from cresylic acid feedstreams by heating with a strong acid | John A. Waters | 1993-01-05 |
| 5171895 | Removal of guaiacol from cresylic acid feedstreams | — | 1992-12-15 |
| 5146010 | Pyrolysis of naturally occurring cresylic acid mixtures | Marvin H. Strunk, Jr. | 1992-09-08 |