Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232963 | Dispersing gums in hydrocarbon streams with .beta.-olefin/maleic anhydride copolymer | Sherri L. Fisher | 1993-08-03 |
| 5214224 | Dispersing asphaltenes in hydrocarbon refinery streams with .alpha.-olefin/maleic anhydride copolymer | W. Kirk Stephenson | 1993-05-25 |
| 5170661 | Apparatus for monitoring fouling in an ethylene plant oil quench tower | Vincent E. Lewis, David J. Ciarella, Robert D. McClain | 1992-12-15 |
| 5143594 | Refinery anti-foulant - asphaltene dispersant | William K. Stephenson, Bradley D. Mercer | 1992-09-01 |
| 5100531 | Refinery anti-foulant - asphaltene dispersant | William K. Stephenson, Bradley D. Mercer | 1992-03-31 |