Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266186 | Inhibiting fouling employing a dispersant | — | 1993-11-30 |
| 5073248 | Asphaltene dispersants - inhibitors | William K. Stephenson | 1991-12-17 |
| 5021498 | Asphaltene dispersants - inhibitors | William K. Stephenson | 1991-06-04 |
| 4842716 | Ethylene furnace antifoulants | John C. Kisalus | 1989-06-27 |
| 4746459 | Self-dispersing tin oxide sols | — | 1988-05-24 |
| 4542253 | Use of phosphate and thiophosphate esters neutralized with water soluble amines as ethylene furnace anti-coking antifoulants | William A. Lindley | 1985-09-17 |
| 4488984 | Self-dispersing antimony oxide sols | — | 1984-12-18 |