Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885079 | Process for separating organic material from particulate solids | Christopher P. Eppig, Richard B. Stalzer | 1989-12-05 |
| 4842715 | Novel technique for rendering oily sludges environmentally acceptable | Jeffrey B. Hauser, Christopher P. Eppig, Richard B. Stalzer | 1989-06-27 |
| 4840725 | Conversion of high boiling liquid organic materials to lower boiling materials | — | 1989-06-20 |
| 4824555 | Extraction of oil from stable oil-water emulsions | Christopher P. Eppig | 1989-04-25 |