Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382467 | Corrosion inhibitors for oil and gas applications | Keith A. Monk | 2016-07-05 |
| 9102791 | Alkoxylated sorbitan esters as crude oil emulsion breakers | — | 2015-08-11 |
| 8741130 | Method for resolving emulsions in enhanced oil recovery operations | Duy T. Nguyen | 2014-06-03 |
| 8618027 | Corrosion inhibitors for oil and gas applications | Keith A. Monk | 2013-12-31 |
| 8551925 | Imidazoline-based heterocyclic foamers for downhole injection | Duy T. Nguyen | 2013-10-08 |
| 8399386 | Foamers for downhole injection | Duy T. Nguyen | 2013-03-19 |
| 7951754 | Environmentally friendly bis-quaternary compounds for inhibiting corrosion and removing hydrocarbonaceous deposits in oil and gas applications | Laxmikant Tiwari, David Horsup | 2011-05-31 |
| 6171521 | Zwitterionic water-soluble substituted imine corrosion inhibitors | — | 2001-01-09 |
| 5993693 | Zwitterionic water-soluble substituted imine corrosion inhibitors | — | 1999-11-30 |
| 5080817 | Corrosion inhibitor for 2-cycle engine oils comprising dodecenyl succinic anhydride-propylene glycol esters | — | 1992-01-14 |