Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997731 | Process for treating an effluent alkaline stream having sulfur-containing and phenolic compounds | — | 1999-12-07 |
| 4746494 | Treatment of sour hydrocarbon distillate | Ralph E. Maple | 1988-05-24 |
| 4675100 | Treatment of sour hydrocarbon distillate | Ralph E. Maple | 1987-06-23 |